| nchr {qtl} | R Documentation |
Determine the number of chromosomes in a cross or map object.
nchr(object)
object |
An object of class cross (see
read.cross for details) or map (see
sim.map for details). |
The number of chromosomes in the input.
Karl W Broman, kbroman@biostat.wisc.edu
read.cross, plot.cross,
summary.cross,
nind,
totmar,
nmar,
nphe
data(fake.f2) nchr(fake.f2) map <- pull.map(fake.f2) nchr(map)