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Fig. 1 | BMC Genomics

Fig. 1

From: Selecting SNPs informative for African, American Indian and European Ancestry: application to the Family Investigation of Nephropathy and Diabetes (FIND)

Fig. 1

Information contrasts. For a 3-ancestral population model there are three information contrasts that are represented by the absolute value of the difference of the respective allele frequencies for allele 1 of the SNP: |P1-P2|, |P1-P3|, and |P2-P3|, a value that is usually given the symbol δ. The variable In is the information-for-assignment statistic. Accurate individual ancestry estimates depend upon balancing the information between these 3 contrasts

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BMC Genomics

ISSN: 1471-2164

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