anchor.diff:      tensorflow_1.9.tar.gz \
       keras_2.2.0.tar.gz \
   #    rstan_2.17.3.tar.gz  \
  -    rstan_2.17.2.tar.gz \
       tidybayes_1.0.1.tar.gz  \
       coda_0.19-1.tar.gz \
       brms_2.4.0.tar.gz  \
  
positive.code:     tensorflow_1.9.tar.gz \
      keras_2.2.0.tar.gz \
  #    rstan_2.17.3.tar.gz  \
      rstan_2.17.2.tar.gz \
      tidybayes_1.0.1.tar.gz  \
      coda_0.19-1.tar.gz \
      brms_2.4.0.tar.gz  \
  
negative.code:     https://mirrors.nics.utk.edu/cran/src/contrib/tensorflow_1.9.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/coda_0.19-1.tar.gz \
      https://mirrors.nics.utk.edu/cran/src/contrib/brms_2.4.0.tar.gz  \
  