anchor.diff:     http://archive.linux.duke.edu/cran/src/contrib/RColorBrewer_1.1-2.tar.gz \
      http://archive.linux.duke.edu/cran/src/contrib/maps_3.1.1.tar.gz \
      http://archive.linux.duke.edu/cran/src/contrib/zoo_1.7-14.tar.gz \
  +   http://archive.linux.duke.edu/cran/src/contrib/pkgmaker_0.22.tar.gz \
  +   http://archive.linux.duke.edu/cran/src/contrib/registry_0.3.tar.gz \
  +   http://archive.linux.duke.edu/cran/src/contrib/rngtools_1.2.4.tar.gz \
  +   http://archive.linux.duke.edu/cran/src/contrib/gridBase_0.4-7.tar.gz \
  +   http://archive.linux.duke.edu/cran/src/contrib/foreach_1.4.3.tar.gz \
  +   http://archive.linux.duke.edu/cran/src/contrib/doParallel_1.0.10.tar.gz \
      http://archive.linux.duke.edu/cran/src/contrib/NMF_0.20.6.tar.gz \
      http://archive.linux.duke.edu/cran/src/contrib/irlba_2.1.2.tar.gz \
      http://archive.linux.duke.edu/cran/src/contrib/igraph_1.0.1.tar.gz \
  
positive.code:    RColorBrewer_1.1-2.tar.gz \
     maps_3.1.1.tar.gz \
     zoo_1.7-14.tar.gz \
     NMF_0.20.6.tar.gz \
     irlba_2.1.2.tar.gz \
     igraph_1.0.1.tar.gz \
  
negative.code:    RColorBrewer_1.1-2.tar.gz \
     maps_3.1.1.tar.gz \
     zoo_1.7-14.tar.gz \
     pkgmaker_0.22.tar.gz \
     registry_0.3.tar.gz \
     rngtools_1.2.4.tar.gz \
     gridBase_0.4-7.tar.gz \
     foreach_1.4.3.tar.gz \
     doParallel_1.0.10.tar.gz \
     NMF_0.20.6.tar.gz \
     irlba_2.1.2.tar.gz \
     igraph_1.0.1.tar.gz \
  