Read a tab-separated BED-like CNV table or normalize an in-memory table.
The first four columns are used, matching the published command-line tool;
additional columns are ignored.
Arguments
- x
A path, data frame, or matrix containing chromosome, start, end,
and CNV type in its first four columns.
Value
A four-column data frame with columns chr, start, end, and
type, classed as xcnv_cnv.