MALDIquant (version 0.5)

isMassObjectList: Tests a list of AbstractMassObject objects.

Description

These functions test a list whether containing AbstractMassObject objects.

Usage

isMassObjectList(l)
isMassSpectrumList(l)
isMassPeaksList(l)

Arguments

l

list, object to be tested.

Value

• Returns TRUE of FALSE depending on whether its argument is a list of AbstractMassObject objects.

References

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

See Also

MassPeaks, MassSpectrum, AbstractMassObject

Examples

## load library
library("MALDIquant");

## create list
peakList <- list();

## test list
isMassPeaksList(peakList); ## returns FALSE

## create two MassPeaks objects and add them to the list
peakList[[1]] <- createMassPeaks(mass=1:100, intensity=rnorm(100)^2,
metaData=list(name="unrealistic example 1"));
peakList[[2]] <- createMassPeaks(mass=1:100, intensity=rnorm(100)^2,
metaData=list(name="unrealistic example 2"));

## test list
isMassPeaksList(peakList); ## returns TRUE