Jun 192013
 

LD Select 1.13

:: DESCRIPTION

LD Select analyzed the patterns of linkage disequilibrium (LD) between polymorphic sites in a locus, and bins the SNPs on the basis of a threshold level of LD as measured by r2.

At each round of selection, the binning algorithm identifies the single SNP which exceeds the threshold r2 with the maximum number of other SNPs, and sets this group of SNPs as a bin. Then each SNP within the bin is analyzed to determine whether it exceeds the threshold r2 with all other SNPs in the bin. All SNPs in a bin that meet this criterion are designated as TagSNPs. Only one TagSNP needs to be typed per bin.

::DEVELOPER

Dr. Deborah Nickerson’s lab at the University of Washington

:: SCREENSHOTS

N/A

:: REQUIREMENTS

  • Linux / Windows / Max OS X
  • Perl

:: DOWNLOAD

LD Select

:: MORE INFORMATION

Citation

Carlson CS, Eberle MA, Rieder MJ, Yi Q, Kruglyak L, Nickerson DA. Selecting a maximally informative set of single-nucleotide polymorphisms for association analysis using linkage disequilibrium. Am J Hum Genet. 2004 Jan;74(1):106-20. Epub 2003 Dec 15.

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