map2table: Convert genetic map from list to table.
Description
Convert a map object (as a list) to a table (as a data frame).
Usage
map2table(map, chr)
Value
A data frame with two or three columns: chromosome and sex-averaged
position, or chromosome, female position, and male position.
The row names are the marker names.
Arguments
map
A map object: a list whose components (corresponding
to chromosomes) are either vectors of marker positions or matrices with
two rows of sex-specific marker positions.
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.