getGeneSet.RdSubset a geneSetList or geneSetFile object based on one or more geneSet names and/or
based on specific units (i.e. subset the geneSets which contain the specified units.)
getGeneSet(object, geneSet = NULL, unit = NULL)a geneSetList or geneSetFile object
a vector of geneSets to subset.
a vector of units to subset