Fig. 2
From: Probabilistic ancestry maps: a method to assess and visualize population substructures in genetics
GTM clustering with 10 principal components Generative Topographic Mapping (GTM) plot of 20 populations from 1000 Genomes Project, built using 10 first principal components. The following populations were not used to build the map: ASW = Americans of African Ancestry in SW USA; ACB = African Caribbeans in Barbados; MXL = Mexican Ancestry from Los Angeles USA; GIH = Gujarati Indian from Houston, Texas; STU = Sri Lankan Tamil from the UK; ITU = Indian Telugu from the UK