anchor.diff:      echo "library(lubridate)" >> /etc/R/Rprofile.site && \
       echo "library(stringr)" >> /etc/R/Rprofile.site && \
       echo "library(rvest)" >> /etc/R/Rprofile.site && \
  -    echo "library(readr)" >> /etc/R/Rprofile.site && \
       echo "library(openintro)" >> /etc/R/Rprofile.site && \
       echo "library(broom)" >> /etc/R/Rprofile.site && \
       echo "library(GGally)" >> /etc/R/Rprofile.site && \
  
positive.code:    memoise_0.2.1.tar.gz \
     whisker_0.3-2.tar.gz \
     RCurl_1.95-4.7.tar.gz \
     Rcpp_0.12.2.tar.gz \
     plyr_1.8.3.tar.gz \
     R6_2.1.1.tar.gz \
     httr_1.0.0.tar.gz \
  
negative.code:    http://mirrors.nics.utk.edu/cran/src/contrib/proto_0.3-10.tar.gz \
     http://mirrors.nics.utk.edu/cran/src/contrib/minqa_1.2.4.tar.gz \
     http://mirrors.nics.utk.edu/cran/src/contrib/nloptr_1.0.4.tar.gz \
     http://mirrors.nics.utk.edu/cran/src/contrib/RcppEigen_0.3.2.7.0.tar.gz \
     http://mirrors.nics.utk.edu/cran/src/contrib/lme4_1.1-10.tar.gz
  
  RUN DEBIAN_FRONTEND=noninteractive R CMD INSTALL \
  