anchor.diff:     reshape2_1.4.2.tar.gz \
      assertthat_0.2.0.tar.gz \
      lazyeval_0.2.0.tar.gz \
  +   rlang_0.1.1.tar.gz \
      tibble_1.3.3.tar.gz \
      ggplot2_2.2.1.tar.gz \
      stargazer_5.2.tar.gz \
  
positive.code:    http://archive.linux.duke.edu/cran/src/contrib/lubridate_1.6.0.tar.gz \
     http://archive.linux.duke.edu/cran/src/contrib/assertthat_0.2.0.tar.gz \
     http://archive.linux.duke.edu/cran/src/contrib/lazyeval_0.2.0.tar.gz \
     http://archive.linux.duke.edu/cran/src/contrib/tibble_1.3.3.tar.gz \
     http://archive.linux.duke.edu/cran/src/contrib/ggplot2_2.2.1.tar.gz \
     http://archive.linux.duke.edu/cran/src/contrib/RColorBrewer_1.1-2.tar.gz \
  
negative.code:    reshape2_1.4.2.tar.gz \
     assertthat_0.2.0.tar.gz \
     lazyeval_0.2.0.tar.gz \
     rlang_0.1.1.tar.gz \
     tibble_1.3.3.tar.gz \
     ggplot2_2.2.1.tar.gz \
     stargazer_5.2.tar.gz \
  