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SNP-Based PC of 1,262 individuals from 10 sub-populations.

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posted on 12.09.2012 by Cornelia Di Gaetano, Floriana Voglino, Simonetta Guarrera, Giovanni Fiorito, Fabio Rosa, Anna Maria Di Blasio, Paola Manzini, Irma Dianzani, Marta Betti, Daniele Cusi, Francesca Frau, Cristina Barlassina, Dario Mirabelli, Corrado Magnani, Nicola Glorioso, Stefano Bonassi, Alberto Piazza, Giuseppe Matullo

The Italian population plotted onto the first two principal components defined by the European HGDP-CEPH populations and CEU HapMap data. Scatter plot of the first two principal components, obtained using R software (prcomp). Analysis based on 125,799 autosomal SNPs. Individuals included belong to Northern Italy (N-IT): black dots, Central Italy (C-IT): red dots, Southern Italy (S-IT): green dots, Sardinian (SAR): blue dots, CEU HapMap (CEU); light blue dots, Beduoin (BED): purple dots, Druze (DRU): yellow dots, Mozabite (MOZ): black triangles, Palestinian (PAL): red triangles, French (FRE): green triangles. The top 100 Eigenvectors and associated Eigenvalues for this plot are given in Supplementary Material: Figure S2 (panel a).

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