anchor.diff:     http://archive.linux.duke.edu/cran/src/contrib/reshape_0.8.6.tar.gz \
      http://archive.linux.duke.edu/cran/src/contrib/prettyunits_1.0.2.tar.gz \
      http://archive.linux.duke.edu/cran/src/contrib/progress_1.1.2.tar.gz \
  -   http://archive.linux.duke.edu/cran/src/contrib/GGally_1.3.0.tar.gz \
  +   http://archive.linux.duke.edu/cran/src/contrib/GGally_1.3.1.tar.gz \
      http://archive.linux.duke.edu/cran/src/contrib/mosaic_0.14.4.tar.gz 
   
   RUN DEBIAN_FRONTEND=noninteractive R CMD INSTALL \
  
positive.code:    reshape_0.8.6.tar.gz \
     prettyunits_1.0.2.tar.gz \
     progress_1.1.2.tar.gz \
     GGally_1.3.0.tar.gz \
     mosaic_0.14.4.tar.gz 
  
  RUN rm \
  
negative.code:    reshape_0.8.6.tar.gz \
     prettyunits_1.0.2.tar.gz \
     progress_1.1.2.tar.gz \
     GGally_1.3.1.tar.gz \
     mosaic_0.14.4.tar.gz 
  
  # Cliburn Chan requested these:
  