anchor.diff:      https://archive.linux.duke.edu/cran/src/contrib/tweenr_0.1.5.tar.gz \
       https://archive.linux.duke.edu/cran/src/contrib/ggforce_0.1.3.tar.gz \
       https://archive.linux.duke.edu/cran/src/contrib/RgoogleMaps_1.4.2.tar.gz \
  -    https://archive.linux.duke.edu/cran/src/contrib/png_0.1-7.tar.gz \
       https://archive.linux.duke.edu/cran/src/contrib/rjson_0.2.20.tar.gz \
       https://archive.linux.duke.edu/cran/src/contrib/mapproj_1.2.6.tar.gz \
       https://archive.linux.duke.edu/cran/src/contrib/jpeg_0.1-8.tar.gz \
       https://archive.linux.duke.edu/cran/src/contrib/geosphere_1.5-7.tar.gz \
       https://archive.linux.duke.edu/cran/src/contrib/ggmap_2.6.1.tar.gz \
       https://archive.linux.duke.edu/cran/src/contrib/ggraph_1.0.2.tar.gz \
  -    https://archive.linux.duke.edu/cran/src/contrib/viridis_0.5.1.tar.gz \
       https://archive.linux.duke.edu/cran/src/contrib/shiny_1.1.0.tar.gz \
       https://archive.linux.duke.edu/cran/src/contrib/shinyjs_1.0.tar.gz \
       https://archive.linux.duke.edu/cran/src/contrib/flexdashboard_0.5.1.1.tar.gz 
   
   RUN DEBIAN_FRONTEND=noninteractive R CMD INSTALL \
       pryr_0.1.4.tar.gz \
  -    htmlwidgets_1.2.tar.gz \
       profvis_0.3.5.tar.gz \
       RcppArmadillo_0.9.100.5.0.tar.gz \
       servr_0.10.tar.gz \
  
positive.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 
  
  # Cliburn Chan requested these:
  
negative.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/base64enc_0.1-3.tar.gz \
     https://archive.linux.duke.edu/cran/src/contrib/crosstalk_1.0.0.tar.gz \
     https://archive.linux.duke.edu/cran/src/contrib/htmlwidgets_1.3.tar.gz \
     https://archive.linux.duke.edu/cran/src/contrib/png_0.1-7.tar.gz \
     https://archive.linux.duke.edu/cran/src/contrib/raster_2.8-19.tar.gz \
     https://archive.linux.duke.edu/cran/src/contrib/viridis_0.5.1.tar.gz \
     https://archive.linux.duke.edu/cran/src/contrib/leaflet_2.0.2.tar.gz \
     https://archive.linux.duke.edu/cran/src/contrib/mosaic_1.5.0.tar.gz 
  
  