getScan-methods {xcms}R Documentation

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
massrange limit data points returned to those between in the range, range(massrange)

Value

A matrix with two columns:

mz m/z values
intensity intensity values

Methods

object = "xcmsRaw"
getScan(object, scan, massrange = numeric())

See Also

xcmsRaw-class, getSpec


[Package xcms version 1.2.0 Index]