Chrom: The Chromosome class
In selectSNPs: Optimal Selection of SNPs Using a Unified Local Function

This is a S4 Chrom classs for a single chromosome

This Chrom class abstracts the information for all the markers on a single chromosome. It has the following slots.

Chromosome:: A character string as the chromosome name or index.
Name:: A character vector containing the names for all the markers on this chromosome.
Position:: A numeric vector containing the positions of all the markers on this chromosome.
Maf:: A numeric vector containing the minor allele frequencies of all the markers on this chromosome.
Type:: A character vector containing the types for all the markers on this chromosome.
Status:: An integer vector containing the statuses for all the markers on this chromosome.