metaX (version 1.4.0)

preProcess: Pre-Processing

Description

Pre-Processing

Usage

preProcess(para, log = FALSE, scale = c("none", "pareto", "vector", "uv"), center = TRUE, valueID = "valueNorm", ...)

Arguments

para

An metaX object

log

A logical indicates whether do the log transformation

scale

The method of scaling

center

Centering

valueID

The name of column used for transformation

...

Additional parameter

Value

An new metaX object

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 <- preProcess(para,valueID = "value",scale="uv")