anchor.diff:     psych_1.5.8.tar.gz \
      broom_0.4.0.tar.gz \
      reshape_0.8.5.tar.gz \
  -   GGally_1.0.0.tar.gz \
  +   GGally_1.0.1.tar.gz \
      mosaic_0.13.0.tar.gz 
   
   RUN rm \
  
positive.code:    stargazer_5.2.tar.gz \
     minqa_1.2.4.tar.gz \
     nloptr_1.0.4.tar.gz \
     RcppEigen_0.3.2.5.1.tar.gz \
     lme4_1.1-10.tar.gz
  
  RUN rm \
  
negative.code:    memoise_0.2.1.tar.gz \
     whisker_0.3-2.tar.gz \
     RCurl_1.95-4.7.tar.gz \
     Rcpp_0.12.3.tar.gz \
     plyr_1.8.3.tar.gz \
     R6_2.1.1.tar.gz \
     curl_0.9.4.tar.gz \
  