anchor.diff:  RUN DEBIAN_FRONTEND=noninteractive R CMD INSTALL \
       pryr_0.1.4.tar.gz \
       profvis_0.3.5.tar.gz \
  -    RcppArmadillo_0.9.100.5.0.tar.gz \
  -    servr_0.10.tar.gz \
  -    xaringan_0.7.tar.gz \
  +    RcppArmadillo_0.9.200.7.1.tar.gz \
  +    servr_0.13.tar.gz \
  +    xaringan_0.9.tar.gz \
       PKI_0.1-5.1.tar.gz \
  -    RJSONIO_1.3-0.tar.gz \
  -    packrat_0.4.9-3.tar.gz \
  +    RJSONIO_1.3-1.1.tar.gz \
  +    packrat_0.5.0.tar.gz \
       rsconnect_0.8.8.tar.gz \
       highlight_0.4.7.2.tar.gz \
  -    pkgdown_1.1.0.tar.gz \
  -    bookdown_0.7.tar.gz \
  -    blogdown_0.8.tar.gz \
  +    pkgdown_1.3.0.tar.gz \
  +    bookdown_0.9.tar.gz \
  +    blogdown_0.11.tar.gz \
       cowplot_0.9.3.tar.gz \
       influenceR_0.1.0.tar.gz \
       Rook_1.1-1.tar.gz \
  
positive.code:     rex_1.1.2.tar.gz \
      stringdist_0.9.5.1.tar.gz \
      praise_1.0.0.tar.gz \
      testthat_2.0.0.tar.gz \
      lintr_1.0.3.tar.gz \
      profmem_0.5.0.tar.gz \
      microbenchmark_1.4-4.tar.gz \
      bench_1.0.1.tar.gz 
  
  RUN rm \
      modelr_0.1.2.tar.gz \
      profmem_0.5.0.tar.gz \
      praise_1.0.0.tar.gz \
      rex_1.1.2.tar.gz \
      stringdist_0.9.5.1.tar.gz \
      enc_0.2.0.tar.gz \
      rematch2_2.0.1.tar.gz \
      globals_0.12.2.tar.gz \
      iterators_1.0.10.tar.gz \
      listenv_0.7.0.tar.gz \
      tidyverse_1.2.1.tar.gz \
  
negative.code: 
  	
  RUN DEBIAN_FRONTEND=noninteractive wget \
     https://archive.linux.duke.edu/cran/src/contrib/rgdal_1.4-3.tar.gz \
     https://archive.linux.duke.edu/cran/src/contrib/rgeos_0.4-2.tar.gz \
     https://archive.linux.duke.edu/cran/src/contrib/uuid_0.1-2.tar.gz
   
   
  RUN DEBIAN_FRONTEND=noninteractive R CMD INSTALL \
     rgdal_1.4-3.tar.gz \
     rgeos_0.4-2.tar.gz \
     uuid_0.1-2.tar.gz 
  
  RUN rm \
     rgdal_1.4-3.tar.gz \
     rgeos_0.4-2.tar.gz \
     uuid_0.1-2.tar.gz
  
  RUN R CMD BATCH /r-studio/install-rappdirs.R
  