Standardisation of the expression values of every gene/transcript/protein is carried out, so that the average expression value for each gene/transcript/protein is zero and the standard deviation of its expression profile is one.
object of the classe ExpressionSet.
The function produces an object of the ExpressionSet class with standardised expression values.
Mfuzz assumes that the given expression data are preprocessed
(including the normalisation). The function
standardise does not
replace the normalisation step. Note the difference: Normalisation is carried
out to make different samples comparable, while standardisation (in Mfuzz)
is carried out to make transcripts (genes) comparable.
Matthias E. Futschik (http://www.sysbiolab.eu)
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