The MsDataHub package provides example mass spectrometry data, peptide spectrum matches or quantitative data from proteomics and metabolomics experiments. MsDataHub is a replacement for msdata, that was growing too much in size The data in MsDataHub are served through the ExperimentHub infrastructure, which allows download them only ones and cache them for further use.

To install the package:

if (!require("BiocManager"))
    install.packages("BiocManager")

BiocManager::install("MsDataHub")

If you want to know what datasets are available:

• Install the package and use MsDataHub::MsDataHub().
• Have a look at the Available data section in the vignette.

To contribute datasets, see the Adding data to MsDataHub in the vignette.

Any other question or issue, feel free to open a GitHub issue or ask on the Bioconductor support forum.