NormalizeGenomeArg: Take strings representing a genome and return the BSgenome object.
Description
Take strings representing a genome and return the BSgenome object.
Usage
NormalizeGenomeArg(ref.genome)
Arguments
ref.genome
A ref.genome argument as described in
ICAMS.
Value
If ref.genome is
a BSgenome object, return it.
Otherwise return the BSgenome object identified by the
string ref.genome.