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MALDIrppa

MALDI mass spectrometry data robust pre-processing and other helper functions

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Version

Install

install.packages('MALDIrppa')

Monthly Downloads

305

Version

1.0.2

License

GPL (>= 2)

Maintainer

Javier PalareaAlbaladejo

Last Published

May 28th, 2020

Functions in MALDIrppa (1.0.2)

MALDIrppa-package

MALDI mass spectra robust pre-processing and analysis
peakPatterns

Display peak presence/absence patterns
plot.scSpectra

Graphical summary of screenSpectra objects
countPeaks

Count the number of peaks in MassPeaks objects
addMetadata

Add metadata to AbstractMassObject class objects
detectOutliers

Detection of outlying mass peak profiles
alignPeaks

Compact peak alignment process for MassPeaks objects
rawToPeaks

Create list of MassPeaks objects
importSpectra

Convert mass spectra from text files into MassSpectrum objects
deletePeaks

Delete peaks from a MassPeaks objects
transfIntensity

Transform intensity of MassSpectrum objects
screenSpectra

Identification of potentially low-quality raw mass spectra
type

Example mass spectra metadata
summaryPeaks

Summary of mass peak profiles
summarySpectra

Summary of mass spectra
rawToSpectra

Create list of MassSpectrum objects
writeMetadata

Write metadata in different formats
redResolution

Reduce resolution of MassSpectrum objects
summary.scSpectra

Numerical summary of screenSpectra objects
spectra

Example mass spectra profiles
snrPeaks

Extract signal-to-noise ratio thresholds from MassPeaks objects
writeIntensity

Write intensity matrix in different formats
wavSmoothing

Discrete wavelet transformation for MassSpectrum objects