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

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

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

sneumann/xcms documentation built on April 21, 2024, 6:37 a.m.