anchor.diff:     http://archive.linux.duke.edu/cran/src/contrib/broom_0.4.1.tar.gz \
      http://archive.linux.duke.edu/cran/src/contrib/reshape_0.8.5.tar.gz \
      http://archive.linux.duke.edu/cran/src/contrib/GGally_1.2.0.tar.gz \
  -   http://archive.linux.duke.edu/cran/src/contrib/mosaic_0.14.tar.gz 
  +   http://archive.linux.duke.edu/cran/src/contrib/mosaic_0.14.4.tar.gz 
   
   RUN DEBIAN_FRONTEND=noninteractive R CMD INSTALL \
      SparseM_1.7.tar.gz \
  
positive.code:    broom_0.4.1.tar.gz \
     reshape_0.8.5.tar.gz \
     GGally_1.2.0.tar.gz \
     mosaic_0.14.tar.gz 
  
  # install rmarkdown
  ADD ./conf /r-studio
  
negative.code:    broom_0.4.1.tar.gz \
     reshape_0.8.5.tar.gz \
     GGally_1.2.0.tar.gz \
     mosaic_0.14.4.tar.gz 
  
  RUN rm \
     SparseM_1.7.tar.gz \
  