anchor.diff:     http://archive.linux.duke.edu/cran/src/contrib/psych_1.6.9.tar.gz \
      http://archive.linux.duke.edu/cran/src/contrib/broom_0.4.1.tar.gz \
      http://archive.linux.duke.edu/cran/src/contrib/reshape_0.8.6.tar.gz \
  -   http://archive.linux.duke.edu/cran/src/contrib/GGally_1.2.0.tar.gz \
  +   http://archive.linux.duke.edu/cran/src/contrib/GGally_1.3.0.tar.gz \
      http://archive.linux.duke.edu/cran/src/contrib/mosaic_0.14.4.tar.gz 
   
   RUN DEBIAN_FRONTEND=noninteractive R CMD INSTALL \
  -   SparseM_1.72.tar.gz \
  +   SparseM_1.74.tar.gz \
      MatrixModels_0.4-1.tar.gz \
      quantreg_5.29.tar.gz \
  -   car_2.1-3.tar.gz \
  +   car_2.1-4.tar.gz \
      mosaicData_0.14.0.tar.gz \
      latticeExtra_0.6-28.tar.gz \
      gridExtra_2.2.1.tar.gz \
  
positive.code:    psych_1.6.9.tar.gz \
     broom_0.4.1.tar.gz \
     reshape_0.8.6.tar.gz \
     GGally_1.2.0.tar.gz \
     mosaic_0.14.4.tar.gz 
  
  # install rmarkdown
  
negative.code:    psych_1.6.9.tar.gz \
     broom_0.4.1.tar.gz \
     reshape_0.8.6.tar.gz \
     GGally_1.3.0.tar.gz \
     mosaic_0.14.4.tar.gz 
  
  RUN rm \
     SparseM_1.74.tar.gz \
     MatrixModels_0.4-1.tar.gz \
     quantreg_5.29.tar.gz \
     car_2.1-4.tar.gz \
     mosaicData_0.14.0.tar.gz \
     latticeExtra_0.6-28.tar.gz \
     gridExtra_2.2.1.tar.gz \
  