anchor.diff:     ggstance_0.3.1.tar.gz \
      ggformula_0.9.1.tar.gz \
      ggrepel_0.8.0.tar.gz \
  +   leaflet_2.0.2.tar.gz \
      mosaic_1.5.0.tar.gz 
   
   # Cliburn Chan requested these:
  
positive.code:    https://archive.linux.duke.edu/cran/src/contrib/ggformula_0.9.1.tar.gz \
     https://archive.linux.duke.edu/cran/src/contrib/mosaicCore_0.6.0.tar.gz \
     https://archive.linux.duke.edu/cran/src/contrib/ggrepel_0.8.0.tar.gz \
     https://archive.linux.duke.edu/cran/src/contrib/mosaic_1.5.0.tar.gz 
  
  RUN DEBIAN_FRONTEND=noninteractive R CMD INSTALL \
  
negative.code:    ggstance_0.3.1.tar.gz \
     ggformula_0.9.1.tar.gz \
     ggrepel_0.8.0.tar.gz \
     leaflet_2.0.2.tar.gz \
     mosaic_1.5.0.tar.gz 
  
  RUN rm \
  