rawMat-methods {xcms}R Documentation

Get a raw data matrix

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


[Package xcms version 1.16.3 Index]