Plot log intensity image of a xcmsRaw object

Create an image of the raw (profile) data m/z against retention time, with the intensity color coded.

Methods

x = "xcmsRaw"

levelplot(x, log=TRUE, col.regions=colorRampPalette(brewer.pal(9, "YlOrRd"))(256), ...)

x = "xcmsSet"

levelplot(x, log=TRUE, col.regions=colorRampPalette(brewer.pal(9, "YlOrRd"))(256), rt="raw", ...)

Arguments

x

xcmsRaw object.

log

Whether the intensity should be log transformed.

col.regions

The color ramp that should be used for encoding of the intensity.

rt

wheter the original (rt="raw") or the corrected (rt="corrected") retention times should be used.

...

Arguments for profRange.

Author

Johannes Rainer, johannes.rainer@eurac.edu

See also

xcmsRaw-class, xcmsSet-class