MALDIquant (version 1.11)

isMassSpectrum: Tests for MassSpectrum or MassPeaks object.

Description

These functions test for a MassSpectrum or MassPeaks object.

Usage

isMassSpectrum(x)
isMassPeaks(x)

Arguments

x

object to be tested.

Value

• Returns TRUE or FALSE depending on whether its argument is an MassSpectrum or MassPeaks object.

See Also

MassPeaks, MassSpectrum, AbstractMassObject

Website: http://strimmerlab.org/software/maldiquant/

Examples

## load package
library("MALDIquant")

## create a MassPeaks object
peaks <- createMassPeaks(mass=1:100, intensity=1:100,
                         metaData=list(name="example 1"))

## test
isMassPeaks(peaks)      # returns TRUE
isMassSpectrum(peaks)   # returns FALSE
isMassPeaks(double())   # returns FALSE