Nothing
#############################################################
#
# DESCRIPTION: test PCA
#
library(RUnit)
library(SNPRelate)
# open a GDS file
# genofile <- openfn.gds(snpgdsExampleFileName())
# pca <- snpgdsPCA(genofile, need.genmat=TRUE)
# save(pca, file="Validate.PCA.RData")
# closefn.gds(genofile)
#############################################################
# test function
#
test.PCA <- function()
{
valid.dta <- get(load(
system.file("unitTests", "valid", "Validate.PCA.RData", package="SNPRelate")))
# open a GDS file
genofile <- openfn.gds(snpgdsExampleFileName())
# run on one core
pca.1 <- snpgdsPCA(genofile, num.thread=1, need.genmat=TRUE)
checkEquals(pca.1, valid.dta, "PCA (one core)")
# run on four core
pca.4 <- snpgdsPCA(genofile, num.thread=4, need.genmat=TRUE)
checkEquals(pca.4, valid.dta, "PCA (four cores)")
# run on 16 core
pca.16 <- snpgdsPCA(genofile, num.thread=16, need.genmat=TRUE)
checkEquals(pca.16, valid.dta, "PCA (16 cores)")
# close the file
closefn.gds(genofile)
}
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