DIST (DirectImputation of summarySTatistics) is a tool for genotype imputation. The DIST algorithm imputes the summary statistics of untyped variants, using conditional expectation for multivariate normal variates and correlation in a reference population.
Lee D, Bigdeli TB, Riley BP, Fanous AH, Bacanu SA "DIST: direct imputation of summary statistics for unmeasured SNPs." Bioinformatics. 2013 Nov 15;29(22):2925-7. Epub 2013 Aug 28. https://doi.org/10.1093/bioinformatics/btt500
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