An object of class cross. See
read.cross for details.
chr
Optional vector indicating the chromosomes to consider.
This should be a vector of character strings referring to chromosomes
by name; numeric values are converted to strings. Refer to
chromosomes with a preceding - to have all chromosomes but
those considered. A logical (TRUE/FALSE) vector may also be used.
include.pos.info
If TRUE, include columns with marker name,
chromosmoe ID, and cM position. (If include.pos.info=TRUE, we
take rotate=TRUE.)
rotate
If TRUE, return matrix with individuals as columns and
positions as rows. If FALSE, rows correspond to individuals.
Value
A matrix containing numeric indicators of the inferred genotypes.
Multiple chromosomes are pasted together.