MVP.PCA {rMVP} | R Documentation |
Build date: Dec 14, 2016 Last update: Oct 29, 2018
MVP.PCA(M = NULL, K = NULL, priority = c("speed", "memory"), pcs.keep = 5, cpu = 1, verbose = TRUE)
M |
Genotype in numeric format, pure 0, 1, 2 matrix; m * n, m is marker size, n is population size |
K |
kinship matrix |
priority |
speed or memory |
pcs.keep |
maximum number of PCs for output |
cpu |
the number of cpu |
verbose |
whether to print detail. |
Output: PCs - a n * npc matrix of top number of PCs, n is population size and npc is @param pcs.keep
Xiaolei Liu, Lilin Yin and Haohao Zhang
genoPath <- system.file("extdata", "06_mvp-impute", "mvp.imp.geno.desc", package = "rMVP") genotype <- attach.big.matrix(genoPath) print(dim(genotype)) pca <- MVP.PCA(M=genotype) str(pca)