weighting of snp variation in pca formula how to calculate pca weights based on SNP weights of the snp for the three pca which type of variance does each snp exhibit weighted snp variation from the cpu weighted snp variance in pca weighted variance pca test what is pca variation pca weights of snp snp weight of a weighted variable pca weight for each snp weighted weighted weight of snp how many rows are used to find the strongest pca how to find the strongest variation in pca weights of variation for snp for pca weights how to find the strongest pca weight distribution of rna which snp represents the strongest variation what is snp variation weights what is the strongest variation