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survJamda (version 1.1.4)

postvar: Estimated multiplicative batch effect

Description

Estimated multiplicative batch effect

Usage

postvar(sum2, n, a, b)

Arguments

sum2
Batch sample variance.
n
A vector containing the sum of the rows of standardized gene expression data.
a
Value of aprior function applied to multiplicative batch effect.
b
Value of bprior function applied to multiplicative batch effect.

Value

Estimated multiplicative batch effect

Warning

This function is not called by the user directly.

References

W. Johnson E., L. Chen, Rabinovic, and A. Adjusting batch effects in microarray expression data using Empirical Bayes methods. Biostatistics, 8(1):118-127, January2007. ISSN 1465-4644. doi: http://dx.doi.org/10.1093/biostatistics/kxj037.

See Also

ComBat,aprior,bprior