mPopTag: The Multi-Population Tag SNP Picker
The Multi-Population Tag Single Nucleotide Polymorphism (SNP) Picker (mPopTag) is a tool used to select or evaluate linkage disequilibrium (LD) tag SNPs for multiple populations. The program analyzes patterns of LD--measured by composite linkage disequilibrium (CLD) or r2--between polymorphic sites in a genome region for multiple populations. It also uses a greedy algorithm to select a single set of near-minimum numbers of LD tag SNPs for multiple populations.
Xu Z, Kaplan NL, Taylor JA. Tag SNP selection for candidate gene association studies using HapMap and gene resequencing data. Eur J Hum Genet 2007 Oct;15(10):1063-70.
It can be run on Linux operating system.