peakPick {tofsims} | R Documentation

## generic method peak.pick

### Description

generic method peak.pick

method peakPick

### Usage

    peakPick(object, span = 100, ...)

    ## S4 method for signature 'MassSpectra'
    peakPick(object, span = 100, ...)

### Arguments

`object` | object of class MassSpectra
`span` | numeric parameter for local max/min detection
`...` | additional args

### Details

Method peakPick for MassSpectra class, works as a constructor for PeakList class. The local min/max detection implementation is adapted from the CRAN package 'ChemometricsWithR'.

### Value

object of class PeakList with updated slots PeakIDs and peakMzs

object of class PeakList

### Examples

    library(tofsimsData)
    data(tofsimsData)
    testSpectra <- reduceSpectrumResolution(object = testSpectra, everyN = 4, mode = 'keep')
    testSpectra <- smootherSpline(testSpectra, stepsize = 10, spar = 0.3)
    testSpectra <- smootherGolay(testSpectra, p = 3, n = 5)
    testSpectra <- peakPick(testSpectra, span = 100)
    plot(testSpectra, , mzRange=c(38.5,40.5), type = 'l')

[Package tofsims version 1.8.0 Index]