Snagger is a bioinformatics software program for selecting tag SNPs using pairwise r2 linkage disequilibrium. It is implemented as extension to the popular software, Haploview, and is freely available under the MIT License. Snagger distinguishes itself from existing single nucleotide polymorphism (SNP) selection algorithms, including Tagger, by pr... Found on http://en.wikipedia.org/wiki/Snagger