metaX (version 1.4.0)

selectBestComponent: Select the best component for PLS-DA

Description

Select the best component for PLS-DA

Usage

selectBestComponent(para, np = 10, sample = NULL, t = 1, method = "oscorespls", scale = NULL, center = TRUE, valueID = "valueNorm", validation = "CV", k = 7, ...)

Arguments

para

A metaXpara object

np

The number of max component

sample

The sample class used

t

Method used to transform the data

method

See plsr

scale

Method used to scale the data

center

Centering

valueID

The name of column contained the data

validation

See plsr

k

k-fold

...

Additional parameter

Value

A list

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)
selectBestComponent(para,np=10,sample=c("S","C"),scale="uv",valueID="value")