isMassObject-functions function

Tests for MassSpectrum or MassPeaks object.

These functions test for a MassSpectrum or MassPeaks object.

isMassSpectrum(x)

isMassPeaks(x)

Arguments

• x: object to be tested.

Returns

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

Author(s)

Sebastian Gibb mail@sebastiangibb.de

See Also

MassPeaks, MassSpectrum, AbstractMassObject

Website: https://strimmerlab.github.io/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