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

In metaX: An R package for metabolomic data analysis

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

Author(s)

Bo Wen [e-mail]

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)

metaX documentation built on Oct. 5, 2016, 4:41 a.m.