Ensuring the statistical soundness of competitive gene set approaches: gene filtering and genome-scale coverage are essential.

Nucleic Acids Res · 2013 · PMC3627569 · PMID 23389952

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may not be significantno p-value reported

This implies that the available data set D e is only a subset of the complete expression data set D E of an organism; hence, pathways declared as significant for D e may not be significant for the complete data set D E or vice versa.

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