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TheMsExperiment package provides theMsExperiment class that canbe used to store and manage all aspects related to a completeproteomics or metabolomics mass spectrometry experiment. This includes

• experimental design
• data files
• raw data: spectra and chromatograms
• proteomics identification results and protein database
• quantitative features

The respective data handling functionality is handled by dedicatedpackages such asSpectra for spectra data,QFeatures forquantitative features,Biostrings for fasta files, ...

See the packagehomepagefor more information.

This package is part of the RforMassSpectrometry initiative:https://www.rformassspectrometry.org/

The package can be installed with

install.packages("BiocManager")BiocManager::install("MsExperiment")

Contributions are highly welcome and should follow thecontributionguidelines.Also, please check the coding style guidelines in theRforMassSpectrometryvignette.