Data sets with `xcms` preprocessing results are provided within the `xcms` package and can be loaded with the `loadXcmsData` function. The available Test data sets are:
- `xdata`: an [XCMSnExp()] object with the results from a `xcms`-based pre-processing of an LC-MS untargeted metabolomics data set. The raw data files are provided in the `faahKO` R package.
- `xmse`: an [XcmsExperiment()] object with the results from an `xcms`-based pre-processing of an LC-MS untargeted metabolomics data set (same original data set and pre-processing settings as for the `xdata` data set). The pre-processing of this data set is described in detail in the *xcms* vignette of the `xcms` package.
- `faahko_sub`: an [XCMSnExp()] object with identified chromatographic peaks in 3 samples from the data files in the `faahKO` R package.
- `faahko_sub2`: an [XcmsExperiment()] object with identified chromatographic peaks in 3 samples from the data files in the `faahKO` R package.
Data sets can also be loaded using `data`, which would however require to update objects to point to the location of the raw data files. The `loadXcmsData` loads the data and ensures that all paths are updated accordingly.
Usage
loadXcmsData(x = c("xmse", "xdata", "faahko_sub", "faahko_sub2"))