MALDIquant (version 1.7)

isMassObject: Tests for AbstractMassObject objects.

Description

These functions test for an AbstractMassObject object.

Usage

isMassObject(x)
isMassSpectrum(x)
isMassPeaks(x)

Arguments

x

object to be tested.

Value

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

References

See website: http://strimmerlab.org/software/maldiquant/

See Also

MassPeaks, MassSpectrum, AbstractMassObject

Examples

## load library
library("MALDIquant")

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

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