find.flanking {qtl} | R Documentation |
Find the genetic markers flanking a specified position on a chromosome, as well as the marker that is closest to the specified position.
find.flanking(cross, chr, pos)
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. |
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.
Brian Yandell
find.marker
, plot.pxg
,
find.markerpos
, find.pseudomarker
data(listeria) find.flanking(listeria, 5, 28) find.flanking(listeria, c(1, 5, 13), c(81, 28, 26))