metaX (version 1.4.0)

filterQCPeaksByCV: Filter peaks according to the RSD of peaks in QC samples

Description

Filter peaks according to the RSD of peaks in QC samples. Usually used after missing value imputation.

Usage

filterQCPeaksByCV(para, cvFilter = 0.3, valueID = "value", ...)

Arguments

para

An object of metaXpara

cvFilter

Filter peaks with the RSD in QC samples > cvFilter.

valueID

The name of the column which will be used.

...

Additional parameter

Value

An object of metaXpara

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)
p <- filterQCPeaksByCV(para)