GenomicRanges object representing the position of reads
mapping in the genome.
strand
Takes values of "+", "-", or "*". "*" denotes collapsing
reads on both strands. Default: "*".
windowSize
Size of the moving window. Either windowSize or
stepSize must be specified.
stepSize
The number of bp moved with each step.
chrom
Chromosome for which to return data.
Default: returns all avaliable data.
limitPCRDups
Counts only one read mapping to each start site.
NOTE: If set to TRUE, assumes that all reads are the same length
(don't use for paired-end data). Default: FALSE.
...
Extra argument passed to mclapply
Value
Returns a list object, each element of which represents a
chromosome.