MALDIquant (version 1.3)

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