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variancePartition quantifies and interprets multiple sources of biological and technical variation in gene expression experiments. The package a linear mixed model to quantify variation in gene expression attributable to individual, tissue, time point, or technical variables. The dream() function performs differential expression analysis for datasets with repeated measures or high dimensional batch effects.


Update

variancePartition 1.31.1 includes a major rewrite of the backend for better error handling. See Changelog. Importantly, the new version is compatible with emprical Bayes moderated t-statistics for linear mixed models using eBayes().


Installation

Latest features from GitHub

devtools::install_github("DiseaseNeuroGenomics/variancePartition")

Stable release from Bioconductor

BiocManager::install("variancePartition")

Notes

This is a developmental version. For stable release see Bioconductor version.

For questions about specifying contrasts with dream, see examples here.

See frequently asked questions.

See repo of examples from the paper.

Reporting bugs

Please help speed up bug fixes by providing a 'minimal reproducible example' that starts with a new R session. I recommend the reprex package to produce a GitHub-ready example that is reproducable from a fresh R session.

References

Describes extensions of dream including empirical Bayes moderated t-statistics for linear mixed models and applications to single cell data

Describes dream for differential expression:

Describes the variancePartition package:

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Quantify and interpret divers of variation in multilevel gene expression experiments

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