MsBackend               Mass spectrometry data backends
MsBackendCached         Base MsBackend class providing data caching
                        mechanism
applyProcessing         The Spectra class to manage and access MS data
combinePeaks            Combine peaks with similar m/z across spectra
countIdentifications    Count the number of identifications per scan
filterFourierTransformArtefacts
                        Fast fourier transform artefact filter
joinPeaks               Join (map) peaks of two spectra
neutralLoss             Calculate Neutral Loss Spectra
plotMzDelta             MZ delta Quality Control
spectra-plotting        Plotting Spectra
spectraVariableMapping
                        Mapping between spectra variables and data file
                        fields
