gnu: python-statsmodels: Fix tests.

* gnu/packages/statistics.scm (python-statsmodels): Add patch to fix tests.
(python2-statsmodels)[propagated-inputs]: Add python2-pytz.
* gnu/packages/patches/python-statsmodels-fix-tests.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.

Merge remote-tracking branch 'origin/master' into core-updates

gnu: pspp: Update to 0.10.2.

* gnu/packages/statistics.scm (pspp): Update to 0.10.2.

Merge branch 'master' into core-updates

gnu: Add r-domc.

* gnu/packages/statistics.scm (r-domc): New variable.

gnu: Add r-multitaper.

* gnu/packages/statistics.scm (r-multitaper): New variable.

gnu: Add r-ade4.

* gnu/packages/statistics.scm (r-ade4): New variable.

gnu: r-ggplot2: Add r-svglite to propagated-inputs.

* gnu/packages/statistics.scm (r-ggplot2)[propagated-inputs]: Add
r-svglite.

gnu: Add r-svglite.

* gnu/packages/statistics.scm (r-svglite): New variable.

gnu: Add r-gdtools.

* gnu/packages/statistics.scm (r-gdtools): New variable.

gnu: Add r-glmnet.

* gnu/packages/statistics.scm (r-glmnet): New variable.

gnu: r: Add pango to inputs.

* gnu/packages/statistics.scm (r)[inputs]: Remove cairo, add pango.

Merge branch 'master' into core-updates

gnu: Add r-mgcv.

* gnu/packages/statistics.scm (r-mgcv): New variable.

gnu: Add r-permute.

* gnu/packages/statistics.scm (r-permute): New variable.

Merge branch 'master' into core-updates

gnu: Add r-runit.

* gnu/packages/statistics.scm (r-runit): New variable.

gnu: Add r-knitrbootstrap.

* gnu/packages/statistics.scm (r-knitrbootstrap): New variable.

gnu: Add r-zoo.

* gnu/packages/statistics.scm (r-zoo): New variable.

Signed-off-by: Leo Famulari <leo@famulari.name>

Merge branch 'master' into core-updates