anchor.diff:      drat \
       DRR \
       dslabs
  -	
  -#	install.packages('fivethirtyeightdata', repos = 'https://fivethirtyeightdata.github.io/drat/', type = 'source')
  -RUN echo "install.packages('fivethirtyeightdata', repos = 'https://fivethirtyeightdata.github.io/drat/', type = 'source')" > foo.R && \
  -    R CMD BATCH /foo.R && \
  -    cat /foo.Rout ; rm /foo.Rout  /foo.R
  -	
  +		
   RUN install2.r --error -s --deps TRUE \
       effects \
       enc \
  
positive.code: 
  
  # R packages A-G
  #RUN install2.r --error -s -r "https://fivethirtyeightdata.github.io/drat/" fivethirtyeightdata 
  RUN install2.r --error -s --deps TRUE \
      anyflights \
      arm \
  
negative.code:     fda \
      fds \
      fields \
      flexdashboard \
      flexmix \
      FNN \
  