Inferring missing genotypes in large SNP panels using fast nearest-neighbor searches over sliding windows.

Abstract excerpt

MOTIVATION: Typical high-throughput genotyping techniques produce numerous missing calls that confound subsequent analyses, such as disease association studies. Common remedies for this problem include removing affected markers and/or samples or, otherwise, imputing the missing data. On small marker sets imputation is frequently based on a vote of the K-nearest-neighbor (KNN) haplotypes, but this technique is...

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