summaryrefslogtreecommitdiff
path: root/gnu/packages/statistics.scm
blob: 8116f50c2e6523cc4608e1b728f2ae06016d040a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2015, 2016 Ricardo Wurmus <rekado@elephly.net>
;;; Copyright © 2015 Vicente Vera Parra <vicentemvp@gmail.com>
;;; Copyright © 2016 Andreas Enge <andreas@enge.fr>
;;; Copyright © 2016 Efraim Flashner <efraim@flashner.co.il>
;;; Copyright © 2016 Pjotr Prins <pjotr.guix@thebird.nl>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.

(define-module (gnu packages statistics)
  #:use-module ((guix licenses) #:prefix license:)
  #:use-module (guix packages)
  #:use-module (guix download)
  #:use-module (guix utils)
  #:use-module (guix build-system gnu)
  #:use-module (guix build-system r)
  #:use-module (guix build-system python)
  #:use-module (gnu packages)
  #:use-module (gnu packages compression)
  #:use-module (gnu packages curl)
  #:use-module (gnu packages gcc)
  #:use-module (gnu packages gtk)
  #:use-module (gnu packages haskell)
  #:use-module (gnu packages icu4c)
  #:use-module (gnu packages image)
  #:use-module (gnu packages java)
  #:use-module (gnu packages maths)
  #:use-module (gnu packages pcre)
  #:use-module (gnu packages perl)
  #:use-module (gnu packages pkg-config)
  #:use-module (gnu packages python)
  #:use-module (gnu packages readline)
  #:use-module (gnu packages ssh)
  #:use-module (gnu packages texinfo)
  #:use-module (gnu packages tls)
  #:use-module (gnu packages base)
  #:use-module (gnu packages web)
  #:use-module (gnu packages xml)
  #:use-module (gnu packages xorg)
  #:use-module (gnu packages zip)
  #:use-module (srfi srfi-1))

(define-public r
  (package
    (name "r")
    (version "3.2.3")
    (source (origin
              (method url-fetch)
              (uri (string-append "mirror://cran/src/base/R-"
                                  (version-prefix version 1) "/R-"
                                  version ".tar.gz"))
              (sha256
               (base32
                "1hdnv77ralzcx5k5b88jq1r8l6zqnywpq00g2qs949rqh63psfxr"))))
    (build-system gnu-build-system)
    (arguments
     `(#:make-flags
       (list (string-append "LDFLAGS=-Wl,-rpath="
                            (assoc-ref %outputs "out")
                            "/lib/R/lib"))
       #:phases
       (modify-phases %standard-phases
         (add-before
          'configure 'set-default-pager
          ;; Set default pager to "cat", because otherwise it is "false",
          ;; making "help()" print nothing at all.
          (lambda _ (setenv "PAGER" "cat") #t))
         (add-before
          'check 'set-timezone
          ;; Some tests require the timezone to be set.
          (lambda _ (setenv "TZ" "UTC") #t))
         (add-after 'build 'make-info
          (lambda _ (zero? (system* "make" "info"))))
         (add-after 'build 'install-info
          (lambda _ (zero? (system* "make" "install-info")))))
       #:configure-flags
       '("--with-cairo"
         "--with-libpng"
         "--with-jpeglib"
         "--with-libtiff"
         "--with-ICU"
         "--enable-R-shlib"
         "--enable-BLAS-shlib"
         "--with-system-zlib"
         "--with-system-bzlib"
         "--with-system-pcre"
         "--with-system-tre"
         "--with-system-xz")))
    ;; R has some support for Java.  When the JDK is available at configure
    ;; time environment variables pointing to the JDK will be recorded under
    ;; $R_HOME/etc and ./tools/getsp.java will be compiled which is used by "R
    ;; CMD javareconf".  "R CMD javareconf" appears to only be used to update
    ;; the recorded environment variables in $R_HOME/etc.  Refer to
    ;; https://cran.r-project.org/doc/manuals/r-release/R-admin.html#Java-support
    ;; for additional information.

    ;; As the JDK is a rather large input with only very limited effects on R,
    ;; we decided to drop it.
    (native-inputs
     `(("bzip2" ,bzip2)
       ("perl" ,perl)
       ("pkg-config" ,pkg-config)
       ("texinfo" ,texinfo) ; for building HTML manuals
       ("which" ,which) ; for tests/Examples/base-Ex.R
       ("xz" ,xz)))
    (inputs
     `(("cairo" ,cairo)
       ("gfortran" ,gfortran)
       ("icu4c" ,icu4c)
       ("libjpeg" ,libjpeg)
       ("libpng" ,libpng)
       ("libtiff" ,libtiff)
       ("libxt" ,libxt)
       ("pcre" ,pcre)
       ("readline" ,readline)
       ("zlib" ,zlib)))
    (native-search-paths
     (list (search-path-specification
            (variable "R_LIBS_SITE")
            (files (list "site-library/")))))
    (home-page "http://www.r-project.org/")
    (synopsis "Environment for statistical computing and graphics")
    (description
     "R is a language and environment for statistical computing and graphics.
It provides a variety of statistical techniques, such as linear and nonlinear
modeling, classical statistical tests, time-series analysis, classification
and clustering.  It also provides robust support for producing
publication-quality data plots.  A large amount of 3rd-party packages are
available, greatly increasing its breadth and scope.")
    (license license:gpl3+)))

(define-public r-colorspace
  (package
    (name "r-colorspace")
    (version "1.2-6")
    (source
     (origin
       (method url-fetch)
       (uri (cran-uri "colorspace" version))
       (sha256
        (base32 "0y8n4ljwhbdvkysdwgqzcnpv107pb3px1jip3k6svv86p72nacds"))))
    (build-system r-build-system)
    (home-page "http://cran.r-project.org/web/packages/colorspace")
    (synopsis "Color space manipulation")
    (description
     "This package carries out a mapping between assorted color spaces
including RGB, HSV, HLS, CIEXYZ, CIELUV, HCL (polar CIELUV), CIELAB and polar
CIELAB.  Qualitative, sequential, and diverging color palettes based on HCL
colors are provided.")
    (license license:bsd-3)))

(define-public r-dichromat
  (package
    (name "r-dichromat")
    (version "2.0-0")
    (source
     (origin
       (method url-fetch)
       (uri (cran-uri "dichromat" version))
       (sha256
        (base32 "1l8db1nk29ccqg3mkbafvfiw0775iq4gapysf88xq2zp6spiw59i"))))
    (build-system r-build-system)
    (home-page "http://cran.r-project.org/web/packages/dichromat")
    (synopsis "Color schemes for dichromats")
    (description
     "Dichromat collapses red-green or green-blue distinctions to simulate the
effects of different types of color-blindness.")
    (license license:gpl2+)))

(define-public r-digest
  (package
    (name "r-digest")
    (version "0.6.8")
    (source
     (origin
       (method url-fetch)
       (uri (cran-uri "digest" version))
       (sha256
        (base32 "0m9grqv67hhf51lz10whymhw0g0d98466ka694kya5x95hn44qih"))))
    (build-system r-build-system)
    (home-page "http://dirk.eddelbuettel.com/code/digest.html")
    (synopsis "Create cryptographic hash digests of R objects")
    (description
     "This package contains an implementation of a function 'digest()' for the
creation of hash digests of arbitrary R objects (using the md5, sha-1,
sha-256, crc32, xxhash and murmurhash algorithms) permitting easy comparison
of R language objects, as well as a function 'hmac()' to create hash-based
message authentication code.

Please note that this package is not meant to be deployed for cryptographic
purposes for which more comprehensive (and widely tested) libraries such as
OpenSSL should be used.")
    (license license:gpl2+)))

(define-public r-gtable
  (package
    (name "r-gtable")
    (version "0.1.2")
    (source
     (origin
       (method url-fetch)
       (uri (cran-uri "gtable" version))
       (sha256
        (base32 "0k9hfj6r5y238gqh92s3cbdn34biczx3zfh79ix5xq0c5vkai2xh"))))
    (build-system r-build-system)
    (home-page "https://cran.r-project.org/web/packages/gtable")
    (synopsis "R library to arrange grobs in tables")
    (description
     "Gtable is a collection of tools to make it easier to work with
\"tables\" of grobs.")
    (license license:gpl2+)))

(define-public r-labeling
  (package
    (name "r-labeling")
    (version "0.3")
    (source
     (origin
       (method url-fetch)
       (uri (cran-uri "labeling" version))
       (sha256
        (base32 "13sk7zrrrzry6ky1bp8mmnzcl9jhvkig8j4id9nny7z993mnk00d"))))
    (build-system r-build-system)
    (home-page "http://cran.r-project.org/web/packages/labeling")
    (synopsis "Axis labeling algorithms")
    (description "The labeling package provides a range of axis labeling
algorithms.")
    (license license:expat)))

(define-public r-magrittr
  (package
    (name "r-magrittr")
    (version "1.5")
    (source
     (origin
       (method url-fetch)
       (uri (cran-uri "magrittr" version))
       (sha256
        (base32 "1s1ar6rag8m277qcqmdp02gn4awn9bdj9ax0r8s32i59mm1mki05"))))
    (build-system r-build-system)
    (home-page "http://cran.r-project.org/web/packages/magrittr/index.html")
    (synopsis "A forward-pipe operator for R")
    (description
     "Magrittr provides a mechanism for chaining commands with a new
forward-pipe operator, %>%.  This operator will forward a value, or the result
of an expression, into the next function call/expression.  There is flexible
support for the type of right-hand side expressions.  For more information,
see package vignette.  To quote Rene Magritte, \"Ceci n'est pas un pipe.\"")
    (license license:expat)))

(define-public r-munsell
  (package
    (name "r-munsell")
    (version "0.4.2")
    (source
     (origin
       (method url-fetch)
       (uri (cran-uri "munsell" version))
       (sha256
        (base32 "1bi5yi0i80778bbzx2rm4f0glpc34kvh24pwwfhm4v32izsqgrw4"))))
    (build-system r-build-system)
    (propagated-inputs
     `(("r-colorspace" ,r-colorspace)))
    (home-page "http://cran.r-project.org/web/packages/munsell")
    (synopsis "Munsell colour system")
    (description
     "The Munsell package contains Functions for exploring and using the
Munsell colour system.")
    (license license:expat)))

(define-public r-rcpp
  (package
    (name "r-rcpp")
    (version "0.12.0")
    (source
     (origin
       (method url-fetch)
       (uri (cran-uri "Rcpp" version))
       (sha256
        (base32 "182109z0yc1snqgd833ssl2cix6cbq83bcxmy5344b15ym820y38"))))
    (build-system r-build-system)
    (home-page "http://www.rcpp.org")
    (synopsis "Seamless R and C++ Integration")
    (description
     "The Rcpp package provides R functions as well as C++ classes which offer
a seamless integration of R and C++.  Many R data types and objects can be
mapped back and forth to C++ equivalents which facilitates both writing of new
code as well as easier integration of third-party libraries.  Documentation
about Rcpp is provided by several vignettes included in this package, via the
'Rcpp Gallery' site at <http://gallery.rcpp.org>, the paper by Eddelbuettel
and Francois (2011, JSS), and the book by Eddelbuettel (2013, Springer); see
'citation(\"Rcpp\")' for details on these last two.")
    (license license:gpl2+)))

(define-public r-plyr
  (package
    (name "r-plyr")
    (version "1.8.3")
    (source
     (origin
       (method url-fetch)
       (uri (cran-uri "plyr" version))
       (sha256
        (base32 "06v4zxawpjz37rp2q2ii5q43g664z9s29j4ydn0cz3crn7lzl6pk"))))
    (build-system r-build-system)
    (native-inputs `(("r-rcpp" ,r-rcpp)))
    (home-page "http://had.co.nz/plyr")
    (synopsis "Tools for Splitting, Applying and Combining Data")
    (description
     "Plyr is a set of tools that solves a common set of problems: you need to
break a big problem down into manageable pieces, operate on each piece and
then put all the pieces back together.  For example, you might want to fit a
model to each spatial location or time point in your study, summarise data by
panels or collapse high-dimensional arrays to simpler summary statistics.")
    (license license:expat)))

(define-public r-proto
  (package
    (name "r-proto")
    (version "0.3-10")
    (source
     (origin
       (method url-fetch)
       (uri (cran-uri "proto" version))
       (sha256
        (base32 "03mvzi529y6kjcp9bkpk7zlgpcakb3iz73hca6rpjy14pyzl3nfh"))))
    (build-system r-build-system)
    (home-page "http://r-proto.googlecode.com")
    (synopsis "Prototype object-based programming")
    (description
     "Proto is an object oriented system using object-based, also called
prototype-based, rather than class-based object oriented ideas.")
    (license license:gpl2+)))

(define-public r-rcolorbrewer
  (package
    (name "r-rcolorbrewer")
    (version "1.1-2")
    (source
     (origin
       (method url-fetch)
       (uri (cran-uri "RColorBrewer" version))
       (sha256
        (base32 "1pfcl8z1pnsssfaaz9dvdckyfnnc6rcq56dhislbf571hhg7isgk"))))
    (build-system r-build-system)
    (home-page "http://cran.r-project.org/web/packages/RColorBrewer")
    (synopsis "ColorBrewer palettes")
    (description
     "This package provides color schemes for maps (and other graphics)
designed by Cynthia Brewer as described at http://colorbrewer2.org")
    ;; Includes code licensed under bsd-4
    (license license:asl2.0)))

(define-public r-stringi
  (package
    (name "r-stringi")
    (version "0.5-5")
    (source
     (origin
       (method url-fetch)
       (uri (cran-uri "stringi" version))
       (sha256
        (base32
         "183wrrjhpgl1wbnn9lhghyvhz7l2mc64mpcmzplckal7y9j7pmhw"))))
    (build-system r-build-system)
    (inputs `(("icu4c" ,icu4c)))
    (native-inputs `(("pkg-config" ,pkg-config)))
    (home-page "http://stringi.rexamine.com/")
    (synopsis "Character string processing facilities")
    (description
     "This package allows for fast, correct, consistent, portable, as well as
convenient character string/text processing in every locale and any native
encoding.  Owing to the use of the ICU library, the package provides R users
with platform-independent functions known to Java, Perl, Python, PHP, and Ruby
programmers.  Among available features there are: pattern searching
 (e.g.  via regular expressions), random string generation, string collation,
transliteration, concatenation, date-time formatting and parsing, etc.")
    (license license:bsd-3)))

(define-public r-stringr
  (package
    (name "r-stringr")
    (version "1.0.0")
    (source
     (origin
       (method url-fetch)
       (uri (cran-uri "stringr" version))
       (sha256
        (base32 "0jnz6r9yqyf7dschr2fnn1slg4wn6b4ik5q00j4zrh43bfw7s9pq"))))
    (build-system r-build-system)
    (propagated-inputs
     `(("r-magrittr" ,r-magrittr)
       ("r-stringi" ,r-stringi)))
    (home-page "https://github.com/hadley/stringr")
    (synopsis "Simple, consistent wrappers for common string operations")
    (description
     "Stringr is a consistent, simple and easy to use set of wrappers around
the fantastic 'stringi' package.  All function and argument names (and
positions) are consistent, all functions deal with \"NA\"'s and zero length
vectors in the same way, and the output from one function is easy to feed into
the input of another.")
    (license license:gpl2+)))

(define-public r-reshape2
  (package
    (name "r-reshape2")
    (version "1.4.1")
    (source
     (origin
       (method url-fetch)
       (uri (cran-uri "reshape2" version))
       (sha256
        (base32 "0hl082dyk3pk07nqprpn5dvnrkqhnf6zjnjig1ijddxhlmsrzm7v"))))
    (build-system r-build-system)
    (propagated-inputs
     `(("r-plyr" ,r-plyr)
       ("r-rcpp" ,r-rcpp)
       ("r-stringr" ,r-stringr)))
    (home-page "https://github.com/hadley/reshape")
    (synopsis "Flexibly reshape data: a reboot of the \"reshape\" package")
    (description
     "Reshape2 is an R library to flexibly restructure and aggregate data
using just two functions: melt and dcast (or acast).")
    (license license:expat)))

(define-public r-scales
  (package
    (name "r-scales")
    (version "0.3.0")
    (source
     (origin
       (method url-fetch)
       (uri (cran-uri "scales" version))
       (sha256
        (base32 "1kkgpqzb0a6lnpblhcprr4qzyfk5lhicdv4639xs5cq16n7bkqgl"))))
    (build-system r-build-system)
    (propagated-inputs
     `(("r-dichromat" ,r-dichromat)
       ("r-labeling" ,r-labeling)
       ("r-munsell" ,r-munsell)
       ("r-plyr" ,r-plyr)
       ("r-rcolorbrewer" ,r-rcolorbrewer)
       ("r-rcpp" ,r-rcpp)))
    (home-page "https://github.com/hadley/scales")
    (synopsis "Scale functions for visualization")
    (description
     "This package provides graphical scales that map data to aesthetics, and
provides methods for automatically determining breaks and labels for axes and
legends.")
    (license license:expat)))

(define-public r-ggplot2
  (package
    (name "r-ggplot2")
    (version "2.0.0")
    (source
     (origin
       (method url-fetch)
       (uri (cran-uri "ggplot2" version))
       (sha256
        (base32 "07r5zw0ccv4sf1mdxcz9wa86p2c6j61cnnq18qdjrh3zhhcbmdp2"))))
    (build-system r-build-system)
    (propagated-inputs
     `(("r-digest" ,r-digest)
       ("r-gtable" ,r-gtable)
       ("r-plyr" ,r-plyr)
       ("r-proto" ,r-proto)
       ("r-reshape2" ,r-reshape2)
       ("r-scales" ,r-scales)))
    (home-page "http://ggplot2.org")
    (synopsis "An implementation of the grammar of graphics")
    (description
     "Ggplot2 is an implementation of the grammar of graphics in R.  It
combines the advantages of both base and lattice graphics: conditioning and
shared axes are handled automatically, and you can still build up a plot step
by step from multiple data sources.  It also implements a sophisticated
multidimensional conditioning system and a consistent interface to map data to
aesthetic attributes.")
    (license license:gpl2+)))

(define-public r-assertthat
  (package
    (name "r-assertthat")
    (version "0.1")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "assertthat" version))
              (sha256
               (base32
                "0dwsqajyglfscqilj843qfqn1ndbqpswa7b4l1d633qjk9d68qqk"))))
    (build-system r-build-system)
    (home-page "https://github.com/hadley/assertthat")
    (synopsis "Easy pre and post assertions")
    (description
     "Assertthat is an extension to stopifnot() that makes it easy to declare
the pre and post conditions that your code should satisfy, while also
producing friendly error messages so that your users know what they've done
wrong.")
    (license license:gpl3+)))

(define-public r-lazyeval
  (package
    (name "r-lazyeval")
    (version "0.1.10")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "lazyeval" version))
              (sha256
               (base32
                "02qfpn2fmy78vx4jxr7g7rhqzcm1kcivfwai7lbh0vvpawia0qwh"))))
    (build-system r-build-system)
    (home-page "https://github.com/hadley/lazyeval")
    (synopsis "Lazy (non-standard) evaluation in R")
    (description
     "This package provides the tools necessary to do non-standard
evaluation (NSE) in R.")
    (license license:gpl3+)))

(define-public r-dbi
  (package
    (name "r-dbi")
    (version "0.3.1")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "DBI" version))
              (sha256
               (base32
                "0xj5baxwnhl23rd5nskhjvranrwrc68f3xlyrklglipi41bm69hw"))))
    (build-system r-build-system)
    (home-page "https://github.com/rstats-db/DBI")
    (synopsis "R database interface")
    (description
     "The DBI package provides a database interface (DBI) definition for
communication between R and relational database management systems.  All
classes in this package are virtual and need to be extended by the various
R/DBMS implementations.")
    (license license:lgpl2.0+)))

(define-public r-bh
  (package
    (name "r-bh")
    (version "1.58.0-1")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "BH" version))
              (sha256
               (base32
                "17rnwyw9ib2pvm60iixzkbz7ff4fslpifp1nlx4czp42hy67kqpf"))))
    (build-system r-build-system)
    (home-page "https://github.com/eddelbuettel/bh")
    (synopsis "R package providing subset of Boost headers")
    (description
     "This package aims to provide the most useful subset of Boost libraries
for template use among CRAN packages.")
    (license license:boost1.0)))

(define-public r-evaluate
  (package
    (name "r-evaluate")
    (version "0.8")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "evaluate" version))
              (sha256
               (base32
                "137gc35jlizhqnx19mxim3llrkm403abj8ghb2b7v5ls9rvd40pq"))))
    (build-system r-build-system)
    (propagated-inputs
     `(("r-stringr" ,r-stringr)))
    (home-page "https://github.com/hadley/evaluate")
    (synopsis "Parsing and evaluation tools for R")
    (description
     "This package provides tools that allow you to recreate the parsing,
evaluation and display of R code, with enough information that you can
accurately recreate what happens at the command line.  The tools can easily be
adapted for other output formats, such as HTML or LaTeX.")
    (license license:gpl3+)))

(define-public r-formatr
  (package
    (name "r-formatr")
    (version "1.2.1")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "formatR" version))
              (sha256
               (base32
                "0f4cv2zv5wayyqx99ybfyl0p83kgjvnsv8dhcwa4s49kw6jsx1lr"))))
    (build-system r-build-system)
    (home-page "http://yihui.name/formatR")
    (synopsis "Format R code automatically")
    (description
     "This package provides a function to format R source code.  Spaces and
indent will be added to the code automatically, and comments will be preserved
under certain conditions, so that R code will be more human-readable and tidy.
There is also a Shiny app as a user interface in this package.")
    (license license:gpl3+)))

(define-public r-highr
  (package
    (name "r-highr")
    (version "0.5.1")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "highr" version))
              (sha256
               (base32
                "11hyawzhaw3ph5y5xphi7alx6df1d0i6wh0a2n5m4sxxhdrzswnb"))))
    (build-system r-build-system)
    (home-page "https://github.com/yihui/highr")
    (synopsis "Syntax highlighting for R source code")
    (description
     "This package provides syntax highlighting for R source code.  Currently
it supports LaTeX and HTML output.  Source code of other languages is
supported via Andre Simon's highlight package.")
    (license license:gpl3+)))

(define-public r-mime
  (package
    (name "r-mime")
    (version "0.4")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "mime" version))
              (sha256
               (base32
                "145cdcg252w2zsq67dmvmsqka60msfp7agymlxs3gl3ihgiwg46p"))))
    (build-system r-build-system)
    (home-page "https://github.com/yihui/mime")
    (synopsis "R package to map filenames to MIME types")
    (description
     "This package guesses the MIME type from a filename extension using the
data derived from /etc/mime.types in UNIX-type systems.")
    (license license:gpl2)))

(define-public r-markdown
  (package
    (name "r-markdown")
    (version "0.7.7")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "markdown" version))
              (sha256
               (base32
                "00j1hlib3il50azs2vlcyhi0bjpx1r50mxr9w9dl5g1bwjjc71hb"))))
    (build-system r-build-system)
    ;; Skip check phase because the tests require the r-knitr package to be
    ;; installed. This prevents installation failures. Knitr normally
    ;; shouldn't be available since r-markdown is a dependency of the r-knitr
    ;; package.
    (arguments `(#:tests? #f))
    (propagated-inputs
     `(("r-mime" ,r-mime)))
    (home-page "https://github.com/rstudio/markdown")
    (synopsis "Markdown rendering for R")
    (description
     "This package provides R bindings to the Sundown Markdown rendering
library (https://github.com/vmg/sundown).  Markdown is a plain-text formatting
syntax that can be converted to XHTML or other formats.")
    (license license:gpl2)))

(define-public r-yaml
  (package
    (name "r-yaml")
    (version "2.1.13")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "yaml" version))
              (sha256
               (base32
                "18kz5mfn7qpif5pn91w4vbrc5bkycsj85vwm5wxwzjlb02i9mxi6"))))
    (build-system r-build-system)
    (home-page "https://cran.r-project.org/web/packages/yaml/")
    (synopsis "Methods to convert R data to YAML and back")
    (description
     "This package implements the libyaml YAML 1.1 parser and
emitter (http://pyyaml.org/wiki/LibYAML) for R.")
    (license license:bsd-3)))

(define-public r-knitr
  (package
    (name "r-knitr")
    (version "1.11")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "knitr" version))
              (sha256
               (base32
                "1ikjla0hnpjfkdbydqhhqypc0aiizbi4nyn8c694sdk9ca4jasdd"))))
    (build-system r-build-system)
    (propagated-inputs
     `(("r-evaluate" ,r-evaluate)
       ("r-digest" ,r-digest)
       ("r-formatr" ,r-formatr)
       ("r-highr" ,r-highr)
       ("r-markdown" ,r-markdown)
       ("r-stringr" ,r-stringr)
       ("r-yaml" ,r-yaml)))
    (home-page "http://yihui.name/knitr/")
    (synopsis "General-purpose package for dynamic report generation in R")
    (description
     "This package provides a general-purpose tool for dynamic report
generation in R using Literate Programming techniques.")
    ;; The code is released under any version of the GPL.  As it is used by
    ;; r-markdown which is available under GPLv2 only, we have chosen GPLv2+
    ;; here.
    (license license:gpl2+)))

(define-public r-microbenchmark
  (package
    (name "r-microbenchmark")
    (version "1.4-2")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "microbenchmark" version))
              (sha256
               (base32
                "05yxvdnkxr2ll94h6f2m5sn3gg7vrlm9nbdxgmj2g8cp8gfxpfkg"))))
    (build-system r-build-system)
    (propagated-inputs
     `(("r-ggplot2" ,r-ggplot2)))
    (home-page "https://cran.r-project.org/web/packages/microbenchmark/")
    (synopsis "Accurate timing functions for R")
    (description
     "This package provides infrastructure to accurately measure and compare
the execution time of R expressions.")
    (license license:bsd-2)))

(define-public r-codetools
  (package
    (name "r-codetools")
    (version "0.2-14")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "codetools" version))
              (sha256
               (base32
                "0y9r4m2b8xgavr89sc179knzwpz54xljbc1dinpq2q07i4xn0397"))))
    (build-system r-build-system)
    (home-page "https://cran.r-project.org/web/packages/codetools/index.html")
    (synopsis "Code analysis tools for R")
    (description "This package provides code analysis tools for R.")
    (license license:gpl3+)))

(define-public r-pryr
  (package
    (name "r-pryr")
    (version "0.1.2")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "pryr" version))
              (sha256
               (base32
                "1in350a8hxwf580afavasvn3jc7x2p1b7nlwmj1scakfz74vghk5"))))
    (build-system r-build-system)
    (propagated-inputs
     `(("r-stringr" ,r-stringr)
       ("r-codetools" ,r-codetools)))
    (native-inputs
     `(("r-rcpp" ,r-rcpp)))
    (home-page "https://github.com/hadley/pryr")
    (synopsis "Tools for computing on the R language")
    (description
     "This package provides useful tools to pry back the covers of R and
understand the language at a deeper level.")
    (license license:gpl2)))

(define-public r-memoise
  (package
    (name "r-memoise")
    (version "0.2.1")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "memoise" version))
              (sha256
               (base32
                "19wm4b3kq6xva43kga3xydnl7ybl5mq7b4y2fczgzzjz63jd75y4"))))
    (build-system r-build-system)
    (propagated-inputs
     `(("r-digest" ,r-digest)))
    (home-page "http://github.com/hadley/memoise")
    (synopsis "Memoise functions for R")
    (description
     "This R package allows to cache the results of a function so that when
you call it again with the same arguments it returns the pre-computed value.")
    (license license:expat)))

(define-public r-crayon
  (package
    (name "r-crayon")
    (version "1.3.1")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "crayon" version))
              (sha256
               (base32
                "0d38fm06h272a8iqlc0d45m2rh36giwqw7mwq4z8hkp4vs975fmm"))))
    (build-system r-build-system)
    (propagated-inputs
     `(("r-memoise" ,r-memoise)))
    (home-page "https://github.com/gaborcsardi/crayon")
    (synopsis "Colored terminal output for R")
    (description
     "Colored terminal output on terminals that support ANSI color and
highlight codes.  It also works in Emacs ESS.  ANSI color support is
automatically detected.  Colors and highlighting can be combined and nested.
New styles can also be created easily.  This package was inspired by the
\"chalk\" JavaScript project.")
    (license license:expat)))

(define-public r-testthat
  (package
    (name "r-testthat")
    (version "0.10.0")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "testthat" version))
              (sha256
               (base32
                "0b3akwcx5mv9dmi8vssbk91hr3yrrdxd2fm6zhr31fnyz8kjx4pw"))))
    (build-system r-build-system)
    (propagated-inputs
     `(("r-digest" ,r-digest)
       ("r-crayon" ,r-crayon)))
    (home-page "https://github.com/hadley/testthat")
    (synopsis "Unit testing for R")
    (description
     "This package provides a unit testing system for R designed to be fun,
flexible and easy to set up.")
    (license license:expat)))

(define-public r-r6
  (package
    (name "r-r6")
    (version "2.1.1")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "R6" version))
              (sha256
               (base32
                "16qq35bgxgswf989yvsqkb6fv7srpf8n8dv2s2c0z9n6zgmwq66m"))))
    (build-system r-build-system)
    (propagated-inputs
     `(("r-knitr" ,r-knitr)
       ("r-microbenchmark" ,r-microbenchmark)
       ("r-pryr" ,r-pryr)
       ("r-testthat" ,r-testthat)
       ("r-ggplot2" ,r-ggplot2)
       ("r-scales" ,r-scales)))
    (home-page "https://github.com/wch/R6/")
    (synopsis "Classes with reference semantics in R")
    (description
     "The R6 package allows the creation of classes with reference semantics,
similar to R's built-in reference classes.  Compared to reference classes, R6
classes are simpler and lighter-weight, and they are not built on S4 classes
so they do not require the methods package.  These classes allow public and
private members, and they support inheritance, even when the classes are
defined in different packages.")
    (license license:expat)))

(define-public r-dplyr
  (package
    (name "r-dplyr")
    (version "0.4.3")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "dplyr" version))
              (sha256
               (base32
                "1p8rbn4p4yrx2840dapwiahf9iqa8gnvd35nyc200wfhmrxlqdlc"))))
    (build-system r-build-system)
    (propagated-inputs
     `(("r-assertthat" ,r-assertthat)
       ("r-r6" ,r-r6)
       ("r-magrittr" ,r-magrittr)
       ("r-lazyeval" ,r-lazyeval)
       ("r-dbi" ,r-dbi)))
    (native-inputs
     `(("r-rcpp" ,r-rcpp)
       ("r-bh" ,r-bh)))
    (home-page "https://github.com/hadley/dplyr")
    (synopsis "Tools for working with data frames in R")
    (description
     "dplyr is the next iteration of plyr.  It is focussed on tools for
working with data frames.  It has three main goals: 1) identify the most
important data manipulation tools needed for data analysis and make them easy
to use in R; 2) provide fast performance for in-memory data by writing key
pieces of code in C++; 3) use the same code interface to work with data no
matter where it is stored, whether in a data frame, a data table or
database.")
    (license license:expat)))

(define-public r-chron
  (package
    (name "r-chron")
    (version "2.3-47")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "chron" version))
              (sha256
               (base32
                "1xj50kk8b8mbjpszp8i0wbripb5a4b36jcscwlbyap8n4487g34s"))))
    (build-system r-build-system)
    (home-page "http://cran.r-project.org/web/packages/chron")
    (synopsis "Chronological R objects which can handle dates and times")
    (description
     "This package provides chronological R objects which can handle dates and
times.")
    (license license:gpl2)))

(define-public r-data-table
  (package
    (name "r-data-table")
    (version "1.9.6")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "data.table" version))
              (sha256
               (base32
                "0vi3zplpxqbg78z9ifjfs1kl2i8qhkqxr7l9ysp2663kq54w6x3g"))))
    (build-system r-build-system)
    (propagated-inputs
     `(("r-chron" ,r-chron)))
    (home-page "https://github.com/Rdatatable/data.table/wiki")
    (synopsis "Enhanced version of data.frame R object")
    (description
     "The R package @code{data.table} is an extension of @code{data.frame}
providing functions for fast aggregation of large data (e.g. 100GB in RAM),
fast ordered joins, fast add/modify/delete of columns by group, column listing
and fast file reading.")
    (license license:gpl3+)))

(define-public python-patsy
  (package
    (name "python-patsy")
    (version "0.4.1")
    (source (origin
              (method url-fetch)
              (uri (pypi-uri "patsy" version ".zip"))
              (sha256
               (base32
                "1m6knyq8hbqlx242y4da02j0x86j4qggs1j7q186w3jv0j0c476w"))))
    (build-system python-build-system)
    (arguments
     `(#:phases
       (modify-phases %standard-phases
         (replace 'check (lambda _ (zero? (system* "nosetests" "-v"))))
         (add-after 'unpack 'prevent-generation-of-egg-archive
          (lambda _
            (substitute* "setup.py"
              (("from setuptools import setup")
               "from distutils.core import setup"))
            #t)))))
    (propagated-inputs
     `(("python-numpy" ,python-numpy)
       ("python-scipy" ,python-scipy)
       ("python-six" ,python-six)))
    (native-inputs
     `(("python-nose" ,python-nose)
       ("unzip" ,unzip)))
    (home-page "https://github.com/pydata/patsy")
    (synopsis "Describe statistical models and build design matrices")
    (description
     "Patsy is a Python package for describing statistical models and for
building design matrices.")
    ;; The majority of the code is distributed under BSD-2.  The module
    ;; patsy.compat contains code derived from the Python standard library,
    ;; and is covered by the PSFL.
    (license (list license:bsd-2 license:psfl))
    (properties `((python2-variant . ,(delay python2-patsy))))))

(define-public python2-patsy
  (let ((patsy (package-with-python2 (strip-python2-variant python-patsy))))
    (package (inherit patsy)
      (native-inputs
       `(("python2-setuptools" ,python2-setuptools)
         ,@(package-native-inputs patsy))))))

(define-public python-statsmodels
  (package
    (name "python-statsmodels")
    (version "0.6.1")
    (source
     (origin
       (method url-fetch)
       (uri (string-append "https://pypi.python.org/packages/source/"
                           "s/statsmodels/statsmodels-" version ".tar.gz"))
       (sha256
        (base32
         "0xn67sqr0cc1lmlhzm71352hrb4hw7g318p5ff5q97pc98vl8kmy"))))
    (build-system python-build-system)
    (arguments
     `(#:phases
       (modify-phases %standard-phases
         ;; tests must be run after installation
         (delete 'check)
         (add-after 'unpack 'set-matplotlib-backend-to-agg
          (lambda _
            ;; Set the matplotlib backend to Agg to avoid problems using the
            ;; GTK backend without a display.
            (substitute* (find-files "statsmodels/graphics/tests" "\\.py")
              (("import matplotlib\\.pyplot as plt" line)
               (string-append "import matplotlib;matplotlib.use('Agg');"
                              line)))
            #t))
         (add-after 'install 'check
          (lambda _
            (with-directory-excursion "/tmp"
              (zero? (system* "nosetests"
                              "--stop"
                              "-v" "statsmodels"))))))))
    (propagated-inputs
     `(("python-numpy" ,python-numpy)
       ("python-scipy" ,python-scipy)
       ("python-pandas" ,python-pandas)
       ("python-patsy" ,python-patsy)
       ("python-matplotlib" ,python-matplotlib)))
    (native-inputs
     `(("python-cython" ,python-cython)
       ("python-nose" ,python-nose)
       ("python-sphinx" ,python-sphinx)))
    (home-page "http://statsmodels.sourceforge.net/")
    (synopsis "Statistical modeling and econometrics in Python")
    (description
     "Statsmodels is a Python package that provides a complement to scipy for
statistical computations including descriptive statistics and estimation and
inference for statistical models.")
    (license license:bsd-3)))

(define-public python2-statsmodels
  (let ((stats (package-with-python2 python-statsmodels)))
    (package (inherit stats)
      (propagated-inputs
       `(("python2-numpy" ,python2-numpy)
         ("python2-scipy" ,python2-scipy)
         ("python2-pandas" ,python2-pandas)
         ("python2-patsy" ,python2-patsy)
         ("python2-matplotlib" ,python2-matplotlib)))
      (native-inputs
       `(("python2-setuptools" ,python2-setuptools)
         ,@(package-native-inputs stats))))))

(define-public r-xml2
  (package
    (name "r-xml2")
    (version "0.1.2")
    (source
     (origin
       (method url-fetch)
       (uri (cran-uri "xml2" version))
       (sha256
        (base32
         "0jjilz36h7vbdbkpvjnja1vgjf6d1imql3z4glqn2m2b74w5qm4c"))))
    (build-system r-build-system)
    (inputs
     `(("libxml2" ,libxml2)))
    (propagated-inputs
     `(("r-rcpp" ,r-rcpp)
       ("r-bh" ,r-bh)))
    (home-page "https://github.com/hadley/xml2")
    (synopsis "Parse XML with R")
    (description
     "This package provides a simple, consistent interface to working with XML
files in R.  It is built on top of the libxml2 C library.")
    (license license:gpl2+)))

(define-public r-rversions
  (package
    (name "r-rversions")
    (version "1.0.2")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "rversions" version))
              (sha256
               (base32
                "0xmi461g1rf5ngb7r1sri798jn6icld1xq25wj9jii2ca8j8xv68"))))
    (build-system r-build-system)
    (propagated-inputs
     `(("r-curl" ,r-curl)
       ("r-xml2" ,r-xml2)))
    (home-page "https://github.com/metacran/rversions")
    (synopsis "Query R versions, including 'r-release' and 'r-oldrel'")
    (description
     "This package provides functions to query the main R repository to find
the versions that @code{r-release} and @code{r-oldrel} refer to, and also all
previous R versions and their release dates.")
    (license license:expat)))

(define-public r-whisker
  (package
    (name "r-whisker")
    (version "0.3-2")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "whisker" version))
              (sha256
               (base32
                "0z4cn115gxcl086d6bnqr8afi67b6a7xqg6ivmk3l4ng1x8kcj28"))))
    (build-system r-build-system)
    (home-page "http://github.com/edwindj/whisker")
    (synopsis "Logicless mustache templating for R")
    (description
     "This package provides logicless templating, with a syntax that is not
limited to R.")
    (license license:gpl3+)))

(define-public r-brew
  (package
    (name "r-brew")
    (version "1.0-6")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "brew" version))
              (sha256
               (base32
                "1vghazbcha8gvkwwcdagjvzx6yl8zm7kgr0i9wxr4jng06d1l3fp"))))
    (build-system r-build-system)
    (home-page "http://cran.r-project.org/web/packages/brew")
    (synopsis "Templating framework for report generation")
    (description
     "The brew package implements a templating framework for mixing text and R
code for report generation.  The template syntax is similar to PHP, Ruby's erb
module, Java Server Pages, and Python's psp module.")
    (license license:gpl2+)))

(define-public r-roxygen2
  (package
    (name "r-roxygen2")
    (version "5.0.0")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "roxygen2" version))
              (sha256
               (base32
                "0xjdphjs7l1v71lylmqgp76cbcxzvm9z1a40jgkdwvz072nn08vr"))))
    (build-system r-build-system)
    (propagated-inputs
     `(("r-brew" ,r-brew)
       ("r-digest" ,r-digest)
       ("r-rcpp" ,r-rcpp)
       ("r-stringi" ,r-stringi)
       ("r-stringr" ,r-stringr)))
    (home-page "https://github.com/klutometis/roxygen")
    (synopsis "In-source documentation system for R")
    (description
     "Roxygen2 is a Doxygen-like in-source documentation system for Rd,
collation, and NAMESPACE files.")
    (license license:gpl2+)))

(define-public r-httr
  (package
    (name "r-httr")
    (version "1.0.0")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "httr" version))
              (sha256
               (base32
                "1yprw8p4g8026jhravgg1hdwj1g51cpdgycyr5a58jwm4i5f79cq"))))
    (build-system r-build-system)
    (propagated-inputs
     `(("r-curl" ,r-curl)
       ("r-digest" ,r-digest)
       ("r-jsonlite" ,r-jsonlite)
       ("r-mime" ,r-mime)
       ("r-r6" ,r-r6)
       ("r-stringr" ,r-stringr)))
    (home-page "https://github.com/hadley/httr")
    (synopsis "Tools for working with URLs and HTTP")
    (description
     "The aim of httr is to provide a wrapper for RCurl customised to the
demands of modern web APIs.  It provides useful tools for working with HTTP
organised by HTTP verbs (@code{GET()}, @code{POST()}, etc).  Configuration
functions make it easy to control additional request components.")
    (license license:expat)))

(define-public r-git2r
  (package
    (name "r-git2r")
    (version "0.11.0")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "git2r" version))
              (sha256
               (base32
                "1h5ag8sm512jsn2sp4yhiqspc7hjq5y8z0kqz24sdznxa3b7rpn9"))))
    (build-system r-build-system)
    ;; This R package contains modified sources of libgit2.  This modified
    ;; version of libgit2 is built as the package is built.  Hence libgit2 is
    ;; not among the inputs of this package.
    (inputs
     `(("libssh2" ,libssh2)
       ("openssl" ,openssl)
       ("zlib" ,zlib)))
    (home-page "https://github.com/ropensci/git2r")
    (synopsis "Access Git repositories with R")
    (description
     "This package provides an R interface to the libgit2 library, which is a
pure C implementation of the Git core methods.")
    ;; GPLv2 only with linking exception.
    (license license:gpl2)))

(define-public r-rstudioapi
  (package
    (name "r-rstudioapi")
    (version "0.3.1")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "rstudioapi" version))
              (sha256
               (base32
                "0q7671d924nzqsqhs8d9p7l907bcam56wjwm7vvz44xgj0saj8bs"))))
    (build-system r-build-system)
    (home-page "http://cran.r-project.org/web/packages/rstudioapi")
    (synopsis "Safely access the RStudio API")
    (description
     "This package provides functions to access the RStudio API and provide
informative error messages when it's not available.")
    (license license:expat)))

(define-public r-devtools
  (package
    (name "r-devtools")
    (version "1.9.1")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "devtools" version))
              (sha256
               (base32
                "10ycx3kkiz5x8nmgw31d9wa5hhlx2fhda2nqzxfrczqpz1jik6ci"))))
    (build-system r-build-system)
    (propagated-inputs
     `(("r-curl" ,r-curl)
       ("r-digest" ,r-digest)
       ("r-evaluate" ,r-evaluate)
       ("r-git2r" ,r-git2r)
       ("r-httr" ,r-httr)
       ("r-jsonlite" ,r-jsonlite)
       ("r-memoise" ,r-memoise)
       ("r-roxygen2" ,r-roxygen2)
       ("r-rstudioapi" ,r-rstudioapi)
       ("r-rversions" ,r-rversions)
       ("r-whisker" ,r-whisker)))
    (home-page "https://github.com/hadley/devtools")
    (synopsis "Tools to make developing R packages easier")
    (description "The devtools package is a collection of package development
tools to simplify the devolpment of R packages.")
    (license license:gpl2+)))

(define-public r-readr
  (package
    (name "r-readr")
    (version "0.2.2")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "readr" version))
              (sha256
               (base32
                "156422xwvskynna5kjc8h1qqnn50kxgjrihl2h2b7vm9sxxdyr2m"))))
    (build-system r-build-system)
    (propagated-inputs
     `(("r-curl" ,r-curl)
       ("r-rcpp" ,r-rcpp)
       ("r-bh" ,r-bh)))
    (home-page "https://github.com/hadley/readr")
    (synopsis "Read tabular data")
    (description
     "This package provides functions to read flat or tabular text files from
disk (or a connection).")
    (license license:gpl2+)))

(define-public r-plotrix
  (package
    (name "r-plotrix")
    (version "3.6")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "plotrix" version))
              (sha256
               (base32
                "0zn6k8azh40v0lg7q9yd4sy30a26bcc0fjvndn4z7k36avlw4i25"))))
    (build-system r-build-system)
    (home-page "http://cran.r-project.org/web/packages/plotrix")
    (synopsis "Various plotting functions")
    (description
     "This package provides lots of plotting, various labeling, axis and color
scaling functions for R.")
    (license license:gpl2+)))

(define-public r-gridbase
  (package
    (name "r-gridbase")
    (version "0.4-7")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "gridBase" version))
              (sha256
               (base32
                "09jzw4rzwf2y5lcz7b16mb68pn0fqigv34ff7lr6w3yi9k91i1xy"))))
    (build-system r-build-system)
    (home-page "http://cran.r-project.org/web/packages/gridBase")
    (synopsis "Integration of base and grid graphics")
    (description
     "This package provides an integration of base and grid graphics for R.")
    (license license:gpl2+)))

(define-public r-lattice
  (package
    (name "r-lattice")
    (version "0.20-33")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "lattice" version))
              (sha256
               (base32
                "0car12x5vl9k180i9pc86lq3cvwqakdpqn3lgdf98k9n2h52cilg"))))
    (build-system r-build-system)
    (home-page "http://lattice.r-forge.r-project.org/")
    (synopsis "High-level data visualization system")
    (description
     "The lattice package provides a powerful and elegant high-level data
visualization system inspired by Trellis graphics, with an emphasis on
multivariate data.  Lattice is sufficient for typical graphics needs, and is
also flexible enough to handle most nonstandard requirements.")
    (license license:gpl2+)))

(define-public r-rcpparmadillo
  (package
    (name "r-rcpparmadillo")
    (version "0.6.200.2.0")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "RcppArmadillo" version))
              (sha256
               (base32
                "137wqqga776yj6synx5awhrzgkz7mmqnvgmggh9l4k6d99vwp9gj"))
              (modules '((guix build utils)))
              ;; Remove bundled armadillo sources
              (snippet
               '(begin
                  (delete-file-recursively "inst/include/armadillo_bits")
                  (delete-file "inst/include/armadillo")))))
    (properties `((upstream-name . "RcppArmadillo")))
    (build-system r-build-system)
    (arguments
     `(#:phases
       (modify-phases %standard-phases
         (add-after 'unpack 'link-against-armadillo
           (lambda _
             (substitute* "src/Makevars"
               (("PKG_LIBS=" prefix)
                (string-append prefix "-larmadillo"))))))))
    (propagated-inputs
     `(("r-rcpp" ,r-rcpp)
       ("armadillo" ,armadillo-for-rcpparmadillo)))
    (home-page "https://github.com/RcppCore/RcppArmadillo")
    (synopsis "Rcpp integration for the Armadillo linear algebra library")
    (description
     "Armadillo is a templated C++ linear algebra library that aims towards a
good balance between speed and ease of use.  Integer, floating point and
complex numbers are supported, as well as a subset of trigonometric and
statistics functions.  Various matrix decompositions are provided through
optional integration with LAPACK and ATLAS libraries.  This package includes
the header files from the templated Armadillo library.")
    ;; Armadillo is licensed under the MPL 2.0, while RcppArmadillo (the Rcpp
    ;; bindings to Armadillo) is licensed under the GNU GPL version 2 or
    ;; later, as is the rest of 'Rcpp'.
    (license license:gpl2+)))

(define-public r-bitops
  (package
    (name "r-bitops")
    (version "1.0-6")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "bitops" version))
              (sha256
               (base32
                "176nr5wpnkavn5z0yy9f7d47l37ndnn2w3gv854xav8nnybi6wwv"))))
    (build-system r-build-system)
    (home-page "http://cran.r-project.org/web/packages/bitops")
    (synopsis "Bitwise operations")
    (description
     "This package provides functions for bitwise operations on integer
vectors.")
    (license license:gpl2+)))

(define-public r-catools
  (package
    (name "r-catools")
    (version "1.17.1")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "caTools" version))
              (sha256
               (base32
                "1x4szsn2qmbzpyjfdaiz2q7jwhap2gky9wq0riah74q0pzz76ank"))))
    (properties `((upstream-name . "caTools")))
    (build-system r-build-system)
    (propagated-inputs
     `(("r-bitops" ,r-bitops)))
    (home-page "http://cran.r-project.org/web/packages/caTools")
    (synopsis "Various tools including functions for moving window statistics")
    (description
     "This package contains several basic utility functions including:
moving (rolling, running) window statistic functions, read/write for GIF and
ENVI binary files, fast calculation of AUC, LogitBoost classifier, base64
encoder/decoder, round-off-error-free sum and cumsum, etc.")
    (license license:gpl3+)))

(define-public r-rmarkdown
  (package
    (name "r-rmarkdown")
    (version "0.8.1")
    (source
      (origin
        (method url-fetch)
        (uri (cran-uri "rmarkdown" version))
        (sha256
          (base32
            "07q5g9dvac5j3vnf4sjc60mnkij1k6y7vnzjz6anf499rwdwbxza"))))
    (properties `((upstream-name . "rmarkdown")))
    (build-system r-build-system)
    (propagated-inputs
     `(("r-catools" ,r-catools)
       ("r-htmltools" ,r-htmltools)
       ("r-knitr" ,r-knitr)
       ("r-yaml" ,r-yaml)
       ("ghc-pandoc" ,ghc-pandoc)))
    (home-page "http://rmarkdown.rstudio.com")
    (synopsis "Convert R Markdown documents into a variety of formats")
    (description
     "This package provides tools to convert R Markdown documents into a
variety of formats.")
    (license license:gpl3+)))

(define-public r-gtable
  (package
    (name "r-gtable")
    (version "0.1.2")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "gtable" version))
              (sha256
               (base32
                "0k9hfj6r5y238gqh92s3cbdn34biczx3zfh79ix5xq0c5vkai2xh"))))
    (properties `((upstream-name . "gtable")))
    (build-system r-build-system)
    (home-page "http://cran.r-project.org/web/packages/gtable")
    (synopsis "Arrange grobs in tables")
    (description
     "This package provides tools to make it easier to work with tables of
grobs.")
    (license license:gpl2+)))

(define-public r-gridextra
  (package
    (name "r-gridextra")
    (version "2.0.0")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "gridExtra" version))
              (sha256
               (base32
                "19yyrfd37c5hxlavb9lca9l26wjhc80rlqhgmfj9k3xhbvvpdp17"))))
    (properties `((upstream-name . "gridExtra")))
    (build-system r-build-system)
    (propagated-inputs
     `(("r-gtable" ,r-gtable)))
    (native-inputs
     `(("r-knitr" ,r-knitr))) ;for building vignettes
    (home-page "https://github.com/baptiste/gridextra")
    (synopsis "Miscellaneous functions for \"Grid\" graphics")
    (description
     "This package provides a number of user-level functions to work with
@code{grid} graphics, notably to arrange multiple grid-based plots on a page,
and draw tables.")
    (license license:gpl2+)))

(define-public r-rsqlite
  (package
    (name "r-rsqlite")
    (version "1.0.0")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "RSQLite" version))
              (sha256
               (base32
                "08b1syv8z887gxiw8i09dpqh0zisfb6ihq6qqr01zipvkahzq34f"))))
    (properties `((upstream-name . "RSQLite")))
    (build-system r-build-system)
    (propagated-inputs
     `(("r-dbi" ,r-dbi)))
    (home-page "https://github.com/rstats-db/RSQLite")
    (synopsis "SQLite interface for R")
    (description
     "This package embeds the SQLite database engine in R and provides an
interface compliant with the DBI package.  The source for the SQLite
engine (version 3.8.6) is included.")
    (license license:lgpl2.0+)))

(define-public r-rcurl
  (package
    (name "r-rcurl")
    (version "1.95-0.1.2")
    (source (origin
              (method url-fetch)
              (uri (string-append "http://www.bioconductor.org/packages/"
                                  "release/extra/src/"
                                  "contrib/RCurl_" version ".tar.gz"))
              (sha256
               (base32
                "0l7qi45jxlf898n0jazabnam1yyczvqfdknd00bdirhhiplpd1sc"))))
    (properties `((upstream-name . "RCurl")))
    (build-system r-build-system)
    (inputs
     `(("libcurl" ,curl)))
    (propagated-inputs
     `(("r-bitops" ,r-bitops)))
    (home-page "http://www.omegahat.org/RCurl")
    (synopsis "General network client interface for R")
    (description
     "The package allows one to compose general HTTP requests and provides
convenient functions to fetch URIs, GET and POST forms, etc. and process the
results returned by the Web server.  This provides a great deal of control
over the HTTP/FTP/... connection and the form of the request while providing a
higher-level interface than is available just using R socket connections.
Additionally, the underlying implementation is robust and extensive,
supporting FTP/FTPS/TFTP (uploads and downloads), SSL/HTTPS, telnet, dict,
ldap, and also supports cookies, redirects, authentication, etc.")
    (license license:bsd-3)))

(define-public r-xml
  (package
    (name "r-xml")
    (version "3.98-1.3")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "XML" version))
              (sha256
               (base32
                "0j9ayp8a35g0227a4zd8nbmvnbfnj5w687jal6qvj4lbhi3va7sy"))))
    (properties
     `((upstream-name . "XML")))
    (build-system r-build-system)
    (inputs
     `(("libxml2" ,libxml2)))
    (propagated-inputs
     `(("r-rcurl" ,r-rcurl)))
    (home-page "http://www.omegahat.org/RSXML")
    (synopsis "Tools for parsing and generating XML within R")
    (description
     "Many approaches for both reading and creating XML (and HTML)
documents (including DTDs), both local and accessible via HTTP or FTP.  Also
offers access to an XPath \"interpreter\".")
    (license license:bsd-2)))

(define-public r-lambda-r
  (package
    (name "r-lambda-r")
    (version "1.1.7")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "lambda.r" version))
              (sha256
               (base32
                "1lxzrwyminc3dfb07pbn1rmj45kplxgsb17b06pzflj728knbqwa"))))
    (properties `((upstream-name . "lambda.r")))
    (build-system r-build-system)
    (home-page "http://cran.r-project.org/web/packages/lambda.r")
    (synopsis "Functional programming extension for R")
    (description
     "This package provides a language extension to efficiently write
functional programs in R.  Syntax extensions include multi-part function
definitions, pattern matching, guard statements, built-in (optional) type
safety.")
    (license license:lgpl3+)))

(define-public r-futile-options
  (package
    (name "r-futile-options")
    (version "1.0.0")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "futile.options" version))
              (sha256
               (base32
                "1hp82h6xqq5cck67h7lpf22n3j7mg3v1mla5y5ivnzrrb7iyr17f"))))
    (properties
     `((upstream-name . "futile.options")))
    (build-system r-build-system)
    (home-page "http://cran.r-project.org/web/packages/futile.options")
    (synopsis "Options management framework")
    (description
     "The futile.options subsystem provides an easy user-defined options
management system that is properly scoped.  This means that options created
via @code{futile.options} are fully self-contained and will not collide with
options defined in other packages.")
    (license license:lgpl3+)))

(define-public r-futile-logger
  (package
    (name "r-futile-logger")
    (version "1.4.1")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "futile.logger" version))
              (sha256
               (base32
                "1plld1icxrcay7llplbd4i8inpg97crpnczk58mbk26j8glqbr51"))))
    (properties `((upstream-name . "futile.logger")))
    (build-system r-build-system)
    (propagated-inputs
     `(("r-futile-options" ,r-futile-options)
       ("r-lambda-r" ,r-lambda-r)))
    (home-page "http://cran.r-project.org/web/packages/futile.logger")
    (synopsis "Logging utility for R")
    (description
     "This package provides a simple yet powerful logging utility.  Based
loosely on log4j, futile.logger takes advantage of R idioms to make logging a
convenient and easy to use replacement for @code{cat} and @code{print}
statements.")
    (license license:lgpl3+)))

(define-public r-snow
  (package
    (name "r-snow")
    (version "0.4-1")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "snow" version))
              (sha256
               (base32
                "19r2yq8aqw99vwyx81p6ay4afsfqffal1wzvizk3dj882s2n4j8w"))))
    (build-system r-build-system)
    (home-page "http://cran.r-project.org/web/packages/snow")
    (synopsis "Support for simple parallel computing in R")
    (description
     "The snow package provides support for simple parallel computing on a
network of workstations using R.  A master R process calls @code{makeCluster}
to start a cluster of worker processes; the master process then uses functions
such as @code{clusterCall} and @code{clusterApply} to execute R code on the
worker processes and collect and return the results on the master.")
    (license (list license:gpl2+ license:gpl3+))))

(define-public r-sparsem
  (package
    (name "r-sparsem")
    (version "1.7")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "SparseM" version))
              (sha256
               (base32
                "0s9kab5khk7daqf6nfp1wm1qnhkssnnwnymisfwyk3kz4q5maqfz"))))
    (properties
     `((upstream-name . "SparseM")))
    (inputs
     `(("gfortran" ,gfortran)))
    (build-system r-build-system)
    (home-page "http://www.econ.uiuc.edu/~roger/research/sparse/sparse.html")
    (synopsis "Sparse linear algebra")
    (description
     "This package provides some basic linear algebra functionality for sparse
matrices.  It includes Cholesky decomposition and backsolving as well as
standard R subsetting and Kronecker products.")
    (license license:gpl2+)))

(define-public r-iterators
  (package
    (name "r-iterators")
    (version "1.0.8")
    (source
     (origin
       (method url-fetch)
       (uri (cran-uri "iterators" version))
       (sha256
        (base32
         "1f057pabs7ss9h1n244can26qsi5n2k3salrdk0b0vkphlrs4kmf"))))
    (build-system r-build-system)
    (home-page "http://cran.r-project.org/web/packages/iterators")
    (synopsis "Iterator construct for R")
    (description
     "This package provides support for iterators, which allow a programmer to
traverse through all the elements of a vector, list, or other collection of
data.")
    (license license:asl2.0)))

(define-public r-codetools
  (package
    (name "r-codetools")
    (version "0.2-14")
    (source
     (origin
       (method url-fetch)
       (uri (cran-uri "codetools" version))
       (sha256
        (base32
         "0y9r4m2b8xgavr89sc179knzwpz54xljbc1dinpq2q07i4xn0397"))))
    (build-system r-build-system)
    (home-page "http://cran.r-project.org/web/packages/codetools")
    (synopsis "Code analysis tools for R")
    (description "This package provides code analysis tools for R to check R
code for possible problems.")
    (license (list license:gpl2+ license:gpl3+))))

(define-public r-foreach
  (package
    (name "r-foreach")
    (version "1.4.3")
    (source
     (origin
       (method url-fetch)
       (uri (cran-uri "foreach" version))
       (sha256
        (base32
         "10aqsd3rxz03s1qdb6gsb1cj89mj4vmh491zfpin4skj1xvkzw0y"))))
    (build-system r-build-system)
    (propagated-inputs
     `(("r-codetools" ,r-codetools)
       ("r-iterators" ,r-iterators)))
    (home-page "http://cran.r-project.org/web/packages/foreach")
    (synopsis "Foreach looping construct for R")
    (description
     "This package provides support for the @code{foreach} looping construct.
@code{foreach} is an idiom that allows for iterating over elements in a
collection, without the use of an explicit loop counter.  This package in
particular is intended to be used for its return value, rather than for its
side effects.  In that sense, it is similar to the standard @code{lapply}
function, but doesn't require the evaluation of a function.  Using
@code{foreach} without side effects also facilitates executing the loop in
parallel.")
    (license license:asl2.0)))

(define-public r-dt
  (package
    (name "r-dt")
    (version "0.1")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "DT" version))
              (sha256
               (base32
                "0mj7iiy1gglw7kixybmb7kr1bcl5r006zcb3klkw7p6vvvzdm6qj"))))
    (properties
     `((upstream-name . "DT")))
    (build-system r-build-system)
    (propagated-inputs
     `(("r-htmltools" ,r-htmltools)
       ("r-htmlwidgets" ,r-htmlwidgets)
       ("r-magrittr" ,r-magrittr)))
    (home-page "http://rstudio.github.io/DT")
    (synopsis "R wrapper of the DataTables JavaScript library")
    (description
     "This package allows for data objects in R to be rendered as HTML tables
using the JavaScript library 'DataTables' (typically via R Markdown or Shiny).
The 'DataTables' library has been included in this R package.")
    ;; The DT package as a whole is distributed under GPLv3.  The DT package
    ;; inludes other software components under different licenses:
    ;;
    ;;   * Expat: jQuery, jquery.highlight.js, DataTables
    ;;   * ASL2.0: selectize.js
    ;;   * WTFPL: noUiSlider
    (license (list license:gpl3
                   license:expat
                   license:asl2.0
                   (license:non-copyleft "http://www.wtfpl.net/txt/copying/")))))

(define-public r-base64enc
  (package
    (name "r-base64enc")
    (version "0.1-3")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "base64enc" version))
              (sha256
               (base32
                "13b89fhg1nx7zds82a0biz847ixphg9byf5zl2cw9kab6s56v1bd"))))
    (build-system r-build-system)
    (home-page "http://www.rforge.net/base64enc")
    (synopsis "Tools for Base64 encoding")
    (description
     "This package provides tools for handling Base64 encoding.  It is more
flexible than the orphaned \"base64\" package.")
    (license license:gpl2+)))

(define-public r-r-methodss3
  (package
    (name "r-r-methodss3")
    (version "1.7.0")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "R.methodsS3" version))
              (sha256
               (base32
                "1dg4bbrwr8jcsqisjrrwxs942mrjq72zw8yvl2br4djdm0md8zz5"))))
    (properties `((upstream-name . "R.methodsS3")))
    (build-system r-build-system)
    (home-page "http://cran.r-project.org/web/packages/R.methodsS3")
    (synopsis "S3 methods simplified")
    (description
     "This package provides methods that simplify the setup of S3 generic
functions and S3 methods.  Major effort has been made in making definition of
methods as simple as possible with a minimum of maintenance for package
developers.  For example, generic functions are created automatically, if
missing, and naming conflict are automatically solved, if possible.  The
method @code{setMethodS3()} is a good start for those who in the future may
want to migrate to S4.")
    (license license:lgpl2.1+)))

(define-public r-r-oo
  (package
    (name "r-r-oo")
    (version "1.19.0")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "R.oo" version))
              (sha256
               (base32
                "15rm1qb9a212bqazhcpk7m48hcp7jq8rh4yhd9c6zfyvdqszfmsb"))))
    (properties `((upstream-name . "R.oo")))
    (build-system r-build-system)
    (propagated-inputs
     `(("r-r-methodss3" ,r-r-methodss3)))
    (home-page "https://github.com/HenrikBengtsson/R.oo")
    (synopsis "R object-oriented programming with or without references")
    (description
     "This package provides methods and classes for object-oriented
programming in R with or without references.  Large effort has been made on
making definition of methods as simple as possible with a minimum of
maintenance for package developers.")
    (license license:lgpl2.1+)))

(define-public r-r-utils
  (package
    (name "r-r-utils")
    (version "2.1.0")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "R.utils" version))
              (sha256
               (base32
                "03pi6pkcsq65fv7cn4x74cj050dc8x5d4xyg930p6f7flk788xaz"))))
    (properties `((upstream-name . "R.utils")))
    (build-system r-build-system)
    (propagated-inputs
     `(("r-r-methodss3" ,r-r-methodss3)
       ("r-r-oo" ,r-r-oo)))
    (home-page "https://github.com/HenrikBengtsson/R.utils")
    (synopsis "Various programming utilities")
    (description
     "This package provides utility functions useful when programming and
developing R packages.")
    (license license:lgpl2.1+)))

(define-public r-r-cache
  (package
    (name "r-r-cache")
    (version "0.12.0")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "R.cache" version))
              (sha256
               (base32
                "006x52w9r8phw5hgqmyp0bz8z42vn8p5yibibnzi1sfa1xlw8iyx"))))
    (properties `((upstream-name . "R.cache")))
    (build-system r-build-system)
    (propagated-inputs
     `(("r-digest" ,r-digest)
       ("r-r-methodss3" ,r-r-methodss3)
       ("r-r-oo" ,r-r-oo)
       ("r-r-utils" ,r-r-utils)))
    (home-page "https://github.com/HenrikBengtsson/R.cache")
    (synopsis "Light-weight caching of objects and results")
    (description
     "This package provides methods for caching or memoization of objects and
results.  With this package, any R object can be cached in a key-value storage
where the key can be an arbitrary set of R objects.  The cache memory is
persistent (on the file system).")
    (license license:lgpl2.1+)))

(define-public r-r-rsp
  (package
    (name "r-r-rsp")
    (version "0.20.0")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "R.rsp" version))
              (sha256
               (base32
                "06vq9qq5hdz3hqc99q82622mab6ix7jwap20h4za6ap6gnwqs0fv"))))
    (properties `((upstream-name . "R.rsp")))
    (build-system r-build-system)
    (propagated-inputs
     `(("r-r-cache" ,r-r-cache)
       ("r-r-methodss3" ,r-r-methodss3)
       ("r-r-oo" ,r-r-oo)
       ("r-r-utils" ,r-r-utils)))
    (home-page "https://github.com/HenrikBengtsson/R.rsp")
    (synopsis "Dynamic generation of scientific reports")
    (description
     "The RSP markup language provides a powerful markup for controlling the
content and output of LaTeX, HTML, Markdown, AsciiDoc, Sweave and knitr
documents (and more), e.g. @code{Today's date is <%=Sys.Date()%>}.  Contrary
to many other literate programming languages, with RSP it is straightforward
to loop over mixtures of code and text sections, e.g.  in month-by-month
summaries.  RSP has also several preprocessing directives for incorporating
static and dynamic contents of external files (local or online) among other
things.  RSP is ideal for self-contained scientific reports and R package
vignettes.")
    (license license:lgpl2.1+)))

(define-public r-matrixstats
  (package
    (name "r-matrixstats")
    (version "0.15.0")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "matrixStats" version))
              (sha256
               (base32
                "1068k85s6rlwfzlszw790c2rndydvrsw7rpck6k6z17896m8drfa"))))
    (properties `((upstream-name . "matrixStats")))
    (build-system r-build-system)
    (native-inputs
     `(("r-r-rsp" ,r-r-rsp))) ;used to build vignettes
    (home-page "https://github.com/HenrikBengtsson/matrixStats")
    (synopsis "Methods applying to vectors and matrix rows and columns")
    (description
     "This package provides methods operating on rows and columns of matrices,
e.g.  @code{rowMedians()}, @code{rowRanks()}, and @code{rowSds()}.  There are
also some vector-based methods, e.g. @code{binMeans()}, @code{madDiff()} and
@code{weightedMedians()}.  All methods have been optimized for speed and
memory usage.")
    (license license:artistic2.0)))

(define-public r-viridis
  (package
    (name "r-viridis")
    (version "0.3.1")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "viridis" version))
              (sha256
               (base32
                "0zz9i874s1fwhl9bcbiprlzaz7zsy1rj6c729zn3k525d63qbnj7"))))
    (build-system r-build-system)
    (propagated-inputs
     `(("r-ggplot2" ,r-ggplot2)
       ("r-gridextra" ,r-gridextra)))
    (home-page "https://github.com/sjmgarnier/viridis")
    (synopsis "Matplotlib default color map")
    (description
     "This package is a port of the new @url{matplotlib,
http://matplotlib.org/} color maps (@code{viridis}--the default--,
@code{magma}, @code{plasma}, and @code{inferno}) to R.  These color maps are
designed in such a way that they will analytically be perfectly
perceptually-uniform, both in regular form and also when converted to
black-and-white.  They are also designed to be perceived by readers with the
most common form of color blindness.")
    (license license:x11)))

(define-public r-plotly
  (package
    (name "r-plotly")
    (version "2.0.3")
    (source (origin
              (method url-fetch)
              (uri (cran-uri "plotly" version))
              (sha256
               (base32
                "16pqycns8qf0y1j21n009qf242lv0izwyidlx40zv88izxhg1vs0"))))
    (build-system r-build-system)
    (propagated-inputs
     `(("r-base64enc" ,r-base64enc)
       ("r-digest" ,r-digest)
       ("r-ggplot2" ,r-ggplot2)
       ("r-htmlwidgets" ,r-htmlwidgets)
       ("r-httr" ,r-httr)
       ("r-jsonlite" ,r-jsonlite)
       ("r-magrittr" ,r-magrittr)
       ("r-plyr" ,r-plyr)
       ("r-viridis" ,r-viridis)))
    (home-page "https://plot.ly/r")
    (synopsis "Create interactive web graphics")
    (description
     "This package enables the translation of ggplot2 graphs to an interactive
web-based version and/or the creation of custom web-based visualizations
directly from R.  Once uploaded to a plotly account, plotly graphs (and the
data behind them) can be viewed and modified in a web browser.")
    (license license:x11)))