anchor.diff:     ggdendro_0.1-20.tar.gz \
      mnormt_1.5-5.tar.gz \
      psych_1.8.4.tar.gz \
  -   backports_1.1.2.tar.gz \
      broom_0.5.0.tar.gz \
      reshape_0.8.7.tar.gz \
      progress_1.2.0.tar.gz \
  
positive.code:    https://archive.linux.duke.edu/cran/src/contrib/ggdendro_0.1-20.tar.gz \
     https://archive.linux.duke.edu/cran/src/contrib/mnormt_1.5-5.tar.gz \
     https://archive.linux.duke.edu/cran/src/contrib/psych_1.8.4.tar.gz \
     https://archive.linux.duke.edu/cran/src/contrib/backports_1.1.2.tar.gz \
     https://archive.linux.duke.edu/cran/src/contrib/broom_0.5.0.tar.gz \
     https://archive.linux.duke.edu/cran/src/contrib/reshape_0.8.7.tar.gz \
     https://archive.linux.duke.edu/cran/src/contrib/progress_1.2.0.tar.gz \
  
negative.code:    https://archive.linux.duke.edu/cran/src/contrib/cli_1.1.0.tar.gz \
     https://archive.linux.duke.edu/cran/src/contrib/desc_1.2.0.tar.gz \
     https://archive.linux.duke.edu/cran/src/contrib/prettyunits_1.0.2.tar.gz \
     https://archive.linux.duke.edu/cran/src/contrib/backports_1.1.3.tar.gz \
     https://archive.linux.duke.edu/cran/src/contrib/rprojroot_1.3-2.tar.gz \
     https://archive.linux.duke.edu/cran/src/contrib/withr_2.1.2.tar.gz \
     https://archive.linux.duke.edu/cran/src/contrib/pkgbuild_1.0.2.tar.gz \
  