Chunk #6 — Introduction — Patients and Methods
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Principal component analysis (PCA) of the genotype data was performed using EIGENSTRAT [20], as implemented in the EIGENSOFT package (http://genepath.med.harvard.edu/°reich/Software.htm).
Principal component analysis (PCA) of the genotype data was performed using EIGENSTRAT [20], as implemented in the EIGENSOFT package (http://genepath.med.harvard.edu/°reich/Software.htm).