This function reads in the names of the members of a group
of genes and stores them to a list. The input file needs to
be formatted appropriately, with one group per line:
groupnamegene1gene2...geneK
Usage
read.groups(filename, sep = "\t")
Arguments
filename
the file containing the list of gene
groups
sep
indicate the appropriate separator if not tab
Value
A list whose names are gene group names and whose elements
are vectors of genes