anchor.diff:     assertthat_0.2.0.tar.gz \
      R6_2.2.2.tar.gz \
      magrittr_1.5.tar.gz \
  -   lazyeval_0.2.0.tar.gz \
  +   lazyeval_0.2.1.tar.gz \
      DBI_0.7.tar.gz \
      tibble_1.3.4.tar.gz \
      bindr_0.1.tar.gz \
  
positive.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_0.3.3.3.0.tar.gz \
     https://mirrors.nics.utk.edu/cran/src/contrib/lme4_1.1-13.tar.gz
  
  RUN DEBIAN_FRONTEND=noninteractive R CMD INSTALL \
     lubridate_1.6.0.tar.gz  \
     gtable_0.2.0.tar.gz \
     RColorBrewer_1.1-2.tar.gz \
     dichromat_2.0-0.tar.gz \
  
negative.code:    assertthat_0.2.0.tar.gz \
     R6_2.2.2.tar.gz \
     magrittr_1.5.tar.gz \
     lazyeval_0.2.1.tar.gz \
     DBI_0.7.tar.gz \
     tibble_1.3.4.tar.gz \
     glue_1.1.1.tar.gz \
  