anchor.diff:     data.table_1.10.4-3.tar.gz \
      rematch_1.0.1.tar.gz \
      cellranger_1.1.0.tar.gz \
  -   tidyr_0.7.2.tar.gz \
  +   tidyr_0.8.0.tar.gz \
      googlesheets_0.2.2.tar.gz \
  -   hms_0.4.0.tar.gz \
  +   hms_0.4.2.tar.gz \
      readr_1.1.1.tar.gz \
      purrr_0.2.4.tar.gz \
  -   tidyselect_0.2.3.tar.gz \
  -   selectr_0.3-1.tar.gz \
  +   tidyselect_0.2.4.tar.gz \
  +   selectr_0.3-2.tar.gz \
      rvest_0.3.2.tar.gz \
      pbkrtest_0.4-7.tar.gz 
   
  
positive.code:    rematch_1.0.1.tar.gz \
     cellranger_1.1.0.tar.gz \
     purrr_0.2.4.tar.gz \
     tidyselect_0.2.3.tar.gz \
     tidyr_0.7.2.tar.gz \
     hms_0.4.0.tar.gz \
     readr_1.1.1.tar.gz \
     googlesheets_0.2.2.tar.gz \
     selectr_0.3-1.tar.gz \
     rvest_0.3.2.tar.gz \
     pbkrtest_0.4-7.tar.gz 
  
  
negative.code:    https://mirrors.nics.utk.edu/cran/src/contrib/data.table_1.10.4-3.tar.gz \
     https://mirrors.nics.utk.edu/cran/src/contrib/rematch_1.0.1.tar.gz \
     https://mirrors.nics.utk.edu/cran/src/contrib/cellranger_1.1.0.tar.gz \
     https://mirrors.nics.utk.edu/cran/src/contrib/tidyr_0.8.0.tar.gz \
     https://mirrors.nics.utk.edu/cran/src/contrib/googlesheets_0.2.2.tar.gz \
     https://mirrors.nics.utk.edu/cran/src/contrib/hms_0.4.2.tar.gz \
     https://mirrors.nics.utk.edu/cran/src/contrib/readr_1.1.1.tar.gz \
     https://mirrors.nics.utk.edu/cran/src/contrib/purrr_0.2.4.tar.gz \
     https://mirrors.nics.utk.edu/cran/src/contrib/tidyselect_0.2.4.tar.gz \
     https://mirrors.nics.utk.edu/cran/src/contrib/selectr_0.3-2.tar.gz \
     https://mirrors.nics.utk.edu/cran/src/contrib/rvest_0.3.2.tar.gz \
     https://mirrors.nics.utk.edu/cran/src/contrib/pbkrtest_0.4-7.tar.gz 
  	
  