rawMat-methods: Get a raw data matrix

In xcms: LC-MS and GC-MS Data Analysis

Description

Returns a matrix with columns for time, m/z, and intensity that represents the raw data from a chromatography mass spectrometry experiment.

Arguments

object	The container of the raw data
mzrange	Subset by m/z range
rtrange	Subset by retention time range
scanrange	Subset by scan index range
log	Whether to log transform the intensities

Value

A numeric matrix with three columns: time, mz and intensity.

Methods

object = "xcmsRaw"

rawMat(object, mzrange = numeric(), rtrange = numeric(), scanrange = numeric(), log=FALSE)

Author(s)

Michael Lawrence

See Also

plotRaw for plotting the raw intensities

xcms documentation built on Nov. 8, 2020, 5:13 p.m.