peakFinder: Peak detection by using XCMS package

In metaX: An R package for metabolomic data analysis

Description

peakFinder takes a set of MS sample data and performs a peak detection, retention time correction and peak grouping steps using XCMS package.

Usage

peakFinder(para, ...)

Arguments

para	A metaXpara object
...	Additional parameter

Value

A metaXpara object

Author(s)

Bo Wen [e-mail]

Examples

## Not run: 
library(faahKO)
para <- new("metaXpara")
dir.case(para) <- system.file("cdf/KO", package = "faahKO")
dir.ctrl(para) <- system.file("cdf/WT", package = "faahKO")
## set parameters for peak picking
xcmsSet.peakwidth(para) <- c(20,50)
xcmsSet.snthresh(para) <- 10
xcmsSet.prefilter(para) <- c(3,100)
xcmsSet.noise(para) <- 0
xcmsSet.nSlaves(para) <- 4
## run peak picking
p <- peakFinder(para)

## End(Not run)

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