anchor.diff:  	Amelia \
   	prevR
   	
  -RUN date
  -
   ADD RProfile.R /etc/R/Rprofile.site
  -
  -RUN date
   
   # package installation using devtools' install_github function
   ADD package_installs.R /tmp/package_installs.R 
  -
  -RUN date
   
   RUN Rscript /tmp/package_installs.R
   
  
positive.code: #   for R package rattle. (Suggested here: http://r.789695.n4.nabble.com/RGtk2-on-Debian-Testing-td3311725.html)
  #   (I tried a bunch of other things for a long time w/ no success.)
  
  RUN date
  
  RUN apt-get update \
    && apt-get install -y -f r-cran-rgtk2 libv8-dev libgeos-dev libgdal-dev libgdal1i libproj-dev \
      libtiff5-dev libfftw3-dev libjpeg-dev libhdf4-0-alt libhdf4-alt-dev \
      libhdf5-dev
  
  RUN date
  
  RUN install2.r --error \
  	DiagrammeR \
  
negative.code: 
  CMD ["R"]
  
  
  