design.mat: Build a design matrix

Description

Build a design matrix for ComBat adjustment.

Usage

design.mat(saminfo)

Arguments

saminfo

Matrix of sample information.

Value

Design matrix.

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.