anchor.diff:     stargazer_5.2.1.tar.gz \
      minqa_1.2.4.tar.gz \
      RcppEigen_0.3.3.4.0.tar.gz \
  -   lme4_1.1-15.tar.gz
  +   lme4_1.1-17.tar.gz
     
   # more libraries Mine Cetinakya-Rundel asked for
   RUN DEBIAN_FRONTEND=noninteractive wget \
  
positive.code: 
  # libraries Eric Green wanted
  RUN DEBIAN_FRONTEND=noninteractive wget \
     https://mirrors.nics.utk.edu/cran/src/contrib/lubridate_1.7.3.tar.gz \
     https://mirrors.nics.utk.edu/cran/src/contrib/assertthat_0.2.0.tar.gz \
     https://mirrors.nics.utk.edu/cran/src/contrib/lazyeval_0.2.1.tar.gz \
     https://mirrors.nics.utk.edu/cran/src/contrib/rlang_0.2.0.tar.gz \
  
negative.code:    https://mirrors.nics.utk.edu/cran/src/contrib/proto_1.0.0.tar.gz \
     https://mirrors.nics.utk.edu/cran/src/contrib/minqa_1.2.4.tar.gz \
     https://mirrors.nics.utk.edu/cran/src/contrib/RcppEigen_0.3.3.4.0.tar.gz \
     https://mirrors.nics.utk.edu/cran/src/contrib/lme4_1.1-17.tar.gz
  
  RUN DEBIAN_FRONTEND=noninteractive R CMD INSTALL \
     lubridate_1.7.4.tar.gz  \
     gtable_0.2.0.tar.gz \
     RColorBrewer_1.1-2.tar.gz \
     dichromat_2.0-0.tar.gz \
  