changePeakWidth: method changePeakWidth

Description Usage Arguments Details Value Examples

Description

method changePeakWidth

Usage

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changePeakWidth(object, selectMz, lowerWidth, upperWidth, ...)

## S4 method for signature 'PeakList,missing,missing,missing'
changePeakWidth(object, selectMz,
  lowerWidth, upperWidth, ...)

## S4 method for signature 'PeakList,numeric,numeric,numeric'
changePeakWidth(object, selectMz,
  lowerWidth, upperWidth, ...)

Arguments

object

PeakList object

selectMz

numeric change width of peak closest to selectMz

lowerWidth

numeric lower width value in mass units

upperWidth

numeric upper width value in mass units

...

additional args

Details

method changePeakWidth is used to modify the peak width of an individual peak it should be called with the argument mzRange to zoom into the region of interest for choosing the peak. Then two further clicks for choosing the (new) lower and upper peak widths.

Value

PeakList object with upated peak widths

Examples

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library(tofsimsData)
data(tofsimsData)
testPeakList<-PeakList(analysisName = analysisName(testSpectra),
instrument = instrument(testSpectra),
nz = nz(testSpectra),
calibration = calibration(testSpectra),
calibPoints = calibPoints(testSpectra),
mz = mz(testSpectra),
peakIDs = NULL,
peakMzs = NULL)
par(mfcol=c(1,2))
testPeakList<-addPeaks(testPeakList, mzs=26:31, width=0.4)
peakWidths(testPeakList)
testPeakList<-changePeakWidth(testPeakList, selectMz = 27, lowerWidth = 0.2, upperWidth = 0.3)
peakWidths(testPeakList)

tofsims documentation built on April 29, 2020, 5:20 a.m.