anchor.diff:     RColorBrewer_1.1-2.tar.gz \
      maps_3.1.1.tar.gz \
      zoo_1.7-14.tar.gz \
  -   xtable_1.8-2.tar.gz \
  -   registry_0.3.tar.gz \
  -   pkgmaker_0.22.tar.gz \
  -   rngtools_1.2.4.tar.gz \
  -   gridBase_0.4-7.tar.gz \
  -   foreach_1.4.3.tar.gz \
  -   doParallel_1.0.10.tar.gz \
  -   NMF_0.20.6.tar.gz \
  -   irlba_2.1.2.tar.gz \
  -   igraph_1.0.1.tar.gz \
      gcookbook_1.0.tar.gz \
      corrplot_0.77.tar.gz 
   
  
positive.code:    http://archive.linux.duke.edu/cran/src/contrib/RColorBrewer_1.1-2.tar.gz \
     http://archive.linux.duke.edu/cran/src/contrib/maps_3.1.1.tar.gz \
     http://archive.linux.duke.edu/cran/src/contrib/zoo_1.7-14.tar.gz \
     http://archive.linux.duke.edu/cran/src/contrib/xtable_1.8-2.tar.gz \
     http://archive.linux.duke.edu/cran/src/contrib/pkgmaker_0.22.tar.gz \
     http://archive.linux.duke.edu/cran/src/contrib/registry_0.3.tar.gz \
     http://archive.linux.duke.edu/cran/src/contrib/rngtools_1.2.4.tar.gz \
     http://archive.linux.duke.edu/cran/src/contrib/gridBase_0.4-7.tar.gz \
     http://archive.linux.duke.edu/cran/src/contrib/foreach_1.4.3.tar.gz \
     http://archive.linux.duke.edu/cran/src/contrib/doParallel_1.0.10.tar.gz \
     http://archive.linux.duke.edu/cran/src/contrib/NMF_0.20.6.tar.gz \
     http://archive.linux.duke.edu/cran/src/contrib/irlba_2.1.2.tar.gz \
     http://archive.linux.duke.edu/cran/src/contrib/igraph_1.0.1.tar.gz \
     http://archive.linux.duke.edu/cran/src/contrib/gcookbook_1.0.tar.gz \
     http://archive.linux.duke.edu/cran/src/contrib/corrplot_0.77.tar.gz 
  
  
negative.code:    RColorBrewer_1.1-2.tar.gz \
     maps_3.1.1.tar.gz \
     zoo_1.7-14.tar.gz \
     gcookbook_1.0.tar.gz \
     corrplot_0.77.tar.gz 
  
  
  
  # install rmarkdown
  