gnu: r-plyr: Update to 1.8.4.

* gnu/packages/statistics.scm (r-plyr): Update to 1.8.4.

gnu: r-permute: Update to 0.9-4.

* gnu/packages/statistics.scm (r-permute): Update to 0.9-4.

gnu: r-mgcv: Update to 1.8-14.

* gnu/packages/statistics.scm (r-mgcv): Update to 1.8-14.

gnu: r-rcpp: Update to 0.12.7.

* gnu/packages/statistics.scm (r-rcpp): Update to 0.12.7.

gnu: r-digest: Update to 0.6.10.

* gnu/packages/statistics.scm (r-digest): Update to 0.6.10.

gnu: r-biocparallel: Update to 1.6.6.

* gnu/packages/bioinformatics.scm (r-biocparallel): Update to 1.6.6.

gnu: r-genomicranges: Update to 1.24.3.

* gnu/packages/bioinformatics.scm (r-genomicranges): Update to 1.24.3.

gnu: r-limma: Update to 3.28.21.

* gnu/packages/bioinformatics.scm (r-limma): Update to 3.28.21.

gnu: r-variantannotation: Update to 1.18.7.

* gnu/packages/bioinformatics.scm (r-variantannotation): Update to 1.18.7.

gnu: r-genomeinfodb: Update to 1.8.7.

* gnu/packages/bioinformatics.scm (r-genomeinfodb): Update to 1.8.7.

gnu: r-seqinr: Update to 3.3-1.

* gnu/packages/bioinformatics.scm (r-seqinr): Update to 3.3-1.
[propagated-inputs]: Add "r-segmented".

gnu: Add r-segmented.

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

gnu: r-s4vectors: Update to 0.10.3.

* gnu/packages/bioinformatics.scm (r-s4vectors): Update to 0.10.3.

gnu: r-acsnminer: Update to 0.16.8.25.

* gnu/packages/bioinformatics.scm (r-acsnminer): Update to 0.16.8.25.

gnu: r-vegan: Update to 2.4-1.

* gnu/packages/bioinformatics.scm (r-vegan): Update to 2.4-1.

gnu: r-curl: Update to 1.2.

* gnu/packages/web.scm (r-curl): Update to 1.2.

gnu: r-htmlwidgets: Update to 0.7.

* gnu/packages/web.scm (r-htmlwidgets): Update to 0.7.

gnu: r-jsonlite: Update to 1.0.

* gnu/packages/web.scm (r-jsonlite): Update to 1.0.

gnu: r-pracma: Update to 1.9.5.

* gnu/packages/maths.scm (r-pracma): Update to 1.9.5.
[propagated-inputs]: Add "r-quadprog".

gnu: Add r-quadprog.

* gnu/packages/maths.scm (r-quadprog): New variable.