qtl: find.flanking – R documentation

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find.flanking

Find flanking markers for a specified position

Description

Find the genetic markers flanking a specified position on a chromosome, as well as the marker that is closest to the specified position.

Usage

find.flanking(cross, chr, pos)

Arguments

`cross`	An object of class `cross`. See `read.cross` for details.
`chr`	A vector of chromosome identifiers, or a single such.
`pos`	A vector of cM positions.

Value

A data.frame, each row corresponding to one of the input positions. The first column contains the left-flanking markers, the second column contains the right-flanking markers, and the third column contains the markers closest to the specified positions.

Author(s)

Brian Yandell

Examples

data(listeria)
find.flanking(listeria, 5, 28)
find.flanking(listeria, c(1, 5, 13), c(81, 28, 26))

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