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nchr

Determine the number of chromosomes

Description

Determine the number of chromosomes in a cross or map object.

Usage

nchr(object)

Arguments

object

An object of class cross (see read.cross for details) or map (see sim.map for details).

Value

The number of chromosomes in the input.

Author(s)

Karl W Broman, broman@wisc.edu

See Also

Examples

data(fake.f2)
nchr(fake.f2)
map <- pull.map(fake.f2)
nchr(map)
qtl

Tools for Analyzing QTL Experiments

v1.48-1
GPL-3
Authors
Karl W Broman <broman@wisc.edu> and Hao Wu, with ideas from Gary Churchill and Saunak Sen and contributions from Danny Arends, Robert Corty, Timothee Flutre, Ritsert Jansen, Pjotr Prins, Lars Ronnegard, Rohan Shah, Laura Shannon, Quoc Tran, Aaron Wolen, Brian Yandell, and R Core Team
Initial release
2021-03-24

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