Batch effects are removed using the means of the batches.
A matrix with n rows and g columns, where n is the number of objects and g is the number of variables. In the case of gene expression data, columns correspond to genes (probe sets) and rows to samples.
A vector of class factor with the element in position i (i=1,…,n) representing the batch from which observation i belongs to.
A matrix of adjusted data with n rows and g columns.
1 2 3