metaX (version 1.4.0)

plotLoading: Plot figures for PCA/PLS-DA loadings

Description

Plot figure for PCA/PLS-DA loadings

Usage

plotLoading(object, out.tol = 0.9, label = 0, fig = "loading.png")

Arguments

object

object of pcaRes or PLS-DA

out.tol

control the points to show labels

label

0=>only show part of the labels, 1=>show all the labels, 3=none labels

Value

none

See Also

plotPCA

Examples

para <- new("metaXpara")
pfile <- system.file("extdata/MTBLS79.txt",package = "metaX")
sfile <- system.file("extdata/MTBLS79_sampleList.txt",package = "metaX")
rawPeaks(para) <- read.delim(pfile,check.names = FALSE)
sampleListFile(para) <- sfile
para <- reSetPeaksData(para)
para <- missingValueImpute(para)
para <- transformation(para,valueID = "value")
res <- metaX::plotPCA(para,valueID="value",scale="uv",center=TRUE)
plotLoading(res$pca,fig="loading.png")