segTable
A data.frame
of segments, with at least "chrom", "start" and "end" columns. Standard behavior (default fun
value) assumes "start" and "end" to be at least numeric
, preferably integer
.
on
Character vector, segTable
columns that must all be identical for the consecutive rows to be merged. For convenience, "chrom" is forced in and "start" / "end" are forced out.
fun
A list
of function
s, defining how to merge values when merging rows. It should contain an unamed element for the default function, and named elements to deal with specific columns.