anchor.diff:     https://archive.linux.duke.edu/cran/src/contrib/backports_1.1.2.tar.gz \
      https://archive.linux.duke.edu/cran/src/contrib/broom_0.5.0.tar.gz \
      https://archive.linux.duke.edu/cran/src/contrib/reshape_0.8.7.tar.gz \
  -   https://archive.linux.duke.edu/cran/src/contrib/prettyunits_1.0.2.tar.gz \
      https://archive.linux.duke.edu/cran/src/contrib/progress_1.2.0.tar.gz \
      https://archive.linux.duke.edu/cran/src/contrib/GGally_1.4.0.tar.gz \
      https://archive.linux.duke.edu/cran/src/contrib/ggstance_0.3.1.tar.gz \
  
positive.code:    crayon_1.3.4.tar.gz \
     assertthat_0.2.0.tar.gz \
     cli_1.1.0.tar.gz \
     pkgbuild_1.0.2.tar.gz \
     pkgload_1.0.2.tar.gz \
     rcmdcheck_1.3.2.tar.gz \
  
negative.code:    maps_3.3.0.tar.gz \
     zoo_1.8-3.tar.gz \
     gcookbook_1.0.tar.gz \
     corrplot_0.84.tar.gz 
  
  
  