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LIGER (Linked Inference of Genomic Experimental Relationships)

Now we have a comprehensive documentation site for the latest version of rliger (2.0)!

LIGER (installed as rliger ) is a package for integrating and analyzing multiple single-cell datasets, developed by the Macosko lab and maintained/extended by the Welch lab. It relies on integrative non-negative matrix factorization to identify shared and dataset-specific factors.

Check out our Cell paper for a more complete description of the methods and analyses. To access data used in our SN and BNST analyses, visit our study “SCP466” on the Single Cell Portal.

LIGER can be used to compare and contrast experimental datasets in a variety of contexts, for instance:

Once multiple datasets are integrated, the package provides functionality for further data exploration, analysis, and visualization. Users can:

We have also designed LIGER to interface with existing single-cell analysis packages, including Seurat.

Feedback

If you have any questions, comments, or suggestions, you are welcomed to open an Issue!

Usage

For usage examples and guided walkthroughs, check the vignettes directory of the repo.

Meanwhile, since version 2.0.0, LIGER is massively updated for usability and interoperability with other packages. Below are links to the introduction of new features.

If you need to refer to the tutorials for the old version of rliger, please check the GitHub archive v1.0.1, download the desired rendered HTML files and open them in your browser.

Sample Datasets

The rliger package provides different types of small toy dataset for basic demos of the functions. After attaching the package in an R session, you can load them with:

data("pbmc")
data("pbmcPlot")
data("bmmc")

We also provide a set of datasets for real-world style demos, including scRNAseq, scATACseq, spatial transcriptomics and DNA methylation data. They are described in detail in the articles that make use of them. Please check them out from the links above.