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survJamda (version 1.1.4)

postmean: Estimated additive batch effect

Description

Estimated additive batch effect

Usage

postmean(g.hat, g.bar, n, d.star, t2)

Arguments

g.hat
Theoretical estimated additive batch effect.
g.bar
Mean of g.hat
n
A vector containing the sum of the rows of standardized gene expression data.
d.star
Multiplicative batch effect.
t2
Variance of the rows of g.hat.

Value

Empirical estimated additive 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, it.sol