gnu: Add r-base64. * gnu/packages/statistics.scm (r-base64): New variable.
gnu: r-rmarkdown: Update to 1.3. * gnu/packages/statistics.scm (r-rmarkdown): Update to 1.3. [propagated-inputs]: Remove r-tibble; add r-rprojroot.
gnu: Add r-rprojroot. * gnu/packages/statistics.scm (r-rprojroot): New variable.
gnu: r-rcpparmadillo: Update to 0.7.600.1.0. * gnu/packages/statistics.scm (r-rcpparmadillo): Update to 0.7.600.1.0. * gnu/packages/maths.scm (armadillo-for-rcpparmadillo): Update to 7.600.1.
gnu: armadillo: Update to 7.600.2. * gnu/packages/maths.scm (armadillo): Update to 7.600.2.
gnu: r-zoo: Update to 1.7-14. * gnu/packages/statistics.scm (r-zoo): Update to 1.7-14. [propagated-inputs]: Remove r-lattice.
gnu: r-fastcluster: Update to 1.1.22. * gnu/packages/statistics.scm (r-fastcluster): Update to 1.1.22.
gnu: r-plotly: Update to 4.5.6. * gnu/packages/statistics.scm (r-plotly): Update to 4.5.6.
gnu: r-r-rsp: Update to 0.40.0. * gnu/packages/statistics.scm (r-r-rsp): Update to 0.40.0.
gnu: r-r-utils: Update to 2.5.0. * gnu/packages/statistics.scm (r-r-utils): Update to 2.5.0.
gnu: r-coda: Update to 0.19-1. * gnu/packages/statistics.scm (r-coda): Update to 0.19-1. [propagated-inputs]: Remove r-lattice.
gnu: r-chron: Update to 2.3-48. * gnu/packages/statistics.scm (r-chron): Update to 2.3-48.
gnu: r-knitr: Update to 1.15.1. * gnu/packages/statistics.scm (r-knitr): Update to 1.15.1. [propagated-inputs]: Remove r-formatr.
gnu: r-bh: Update to 1.62.0-1. * gnu/packages/statistics.scm (r-bh): Update to 1.62.0-1.
gnu: r-svglite: Update to 1.2.0. * gnu/packages/statistics.scm (r-svglite): Update to 1.2.0.
gnu: r-gdtools: Update to 0.1.3. * gnu/packages/statistics.scm (r-gdtools): Update to 0.1.3.
gnu: r-ggplot2: Update to 2.2.0. * gnu/packages/statistics.scm (r-ggplot2): Update to 2.2.0. [propagated-inputs]: Remove r-proto and r-svglite; add r-lazyeval and r-tibble.
gnu: r-scales: Update to 0.4.1. * gnu/packages/statistics.scm (r-scales): Update to 0.4.1.
gnu: r-mgcv: Update to 1.8-16. * gnu/packages/statistics.scm (r-mgcv): Update to 1.8-16.
gnu: r-qtl: Update to 1.40-8. * gnu/packages/bioinformatics.scm (r-qtl): Update to 1.40-8.