Align expression data with given vector
Multiplies genes (columns) in given expression data such that their correlation with given reference vector is non-negative.
alignExpr(datExpr, y = NULL)
datExpr |
expression data to be aligned. A data frame with columns corresponding to genes and rows to samples. |
y |
reference vector of length equal the number of samples (rows) in |
The function basically multiplies each column in datExpr by the sign of its correlation with
y. If y is not given, the first column in datExpr will be used as the reference
vector.
A data frame containing the aligned expression data, of the same dimensions as the input data frame.
Steve Horvath and Peter Langfelder
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