Subset data slot of CopyNumber object, un-selected rows will move to
dropoff.segs slot, annotation slot will update in the same way.
# S3 method for class 'CopyNumber'
subset(x, subset = TRUE, ...)a CopyNumber object to be subsetted.
logical expression indicating rows to keep.
further arguments to be passed to or from other methods. Useless here.
a CopyNumber object