subset.scantwo: Subsetting the results of a 2-d genome scan
Description
Pull out a specified set of chromosomes and/or LOD columns from
scantwo output.
Usage
# S3 method for scantwo
subset(x, chr, lodcolumn, ...)
Value
The input scantwo object, but with only the specified
subset of the data.
Arguments
x
An object of class scantwo, output from
scantwo.
chr
Optional vector specifying which chromosomes to keep.
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.
lodcolumn
A vector specifying which LOD columns to keep (or, if
negative), omit. These should be between 1 and the number of LOD
columns in the input x.