anchor.diff:      https://mirrors.nics.utk.edu/cran/src/contrib/zeallot_0.1.0.tar.gz \
       https://mirrors.nics.utk.edu/cran/src/contrib/keras_2.2.0.tar.gz \
   #    https://mirrors.nics.utk.edu/cran/src/contrib/rstan_2.17.3.tar.gz  \
  -    https://mirrors.nics.utk.edu/cran/src/contrib/tidybayes_1.0.1.tar.gz  \
  +#    https://mirrors.nics.utk.edu/cran/src/contrib/tidybayes_1.0.1.tar.gz  \
       https://mirrors.nics.utk.edu/cran/src/contrib/coda_0.19-1.tar.gz \
       https://mirrors.nics.utk.edu/cran/src/contrib/brms_2.4.0.tar.gz  \
       https://mirrors.nics.utk.edu/cran/src/contrib/BAS_1.5.1.tar.gz  \
  
positive.code:     zeallot_0.1.0.tar.gz \
      keras_2.2.0.tar.gz \
  #    rstan_2.17.3.tar.gz  \
      tidybayes_1.0.1.tar.gz  \
      coda_0.19-1.tar.gz \
      brms_2.4.0.tar.gz  \
      BAS_1.5.1.tar.gz  \
  
negative.code:     zeallot_0.1.0.tar.gz \
      keras_2.2.0.tar.gz \
  #    rstan_2.17.3.tar.gz  \
  #    tidybayes_1.0.1.tar.gz  \
      coda_0.19-1.tar.gz \
      brms_2.4.0.tar.gz  \
      BAS_1.5.1.tar.gz  \
  