The sva package for removing batch effects and other unwanted variation in high-throughput experiments
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ID: 289492
2012
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Abstract
Abstract Summary: Heterogeneity and latent variables are now widely recognized as major sources of bias and variability in high-throughput experiments. The most well-known source of latent variation in genomic experiments are batch effects—when samples are processed on different days, in different groups or by different people. However, there are also a large number of other variables that may have a major impact on high-throughput measurements. Here we describe the sva package for identifying, estimating and removing unwanted sources of variation in high-throughput experiments. The sva package supports surrogate variable estimation with the sva function, direct adjustment for known batch effects with the ComBat function and adjustment for batch and latent variables in prediction problems with the fsva function. Availability: The R package sva is freely available from http://www.bioconductor.org. Contact: jleek@jhsph.edu Supplementary information: Supplementary data are available at Bioinformatics online.
| Reference Key |
openalex_W2169353806
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| Authors | Jeffrey T. Leek, W. Evan Johnson, Hilary S. Parker, Andrew E. Jaffe, John D. Storey |
| Journal | BMC Bioinformatics |
| Year | 2012 |
| DOI |
10.1093/bioinformatics/bts034
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| URL | |
| Keywords | Keywords not found |
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