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xcms (version 1.48.0)

getScan-methods: Get m/z and intensity values for a single mass scan

Description

Return the data from a single mass scan using the numeric index of the scan as a reference.

Arguments

object
the xcmsRaw object
scan
integer index of scan. if negative, the index numbered from the end
mzrange
limit data points returned to those between in the range, range(mzrange)

Value

A matrix with two columns:
mz
m/z values
intensity
intensity values

Methods

object = "xcmsRaw"
getScan(object, scan, mzrange = numeric()) getMsnScan(object, scan, mzrange = numeric())

See Also

xcmsRaw-class, getSpec