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Enrichment analysis is a technique commonly used to add biological context to a list of genes, such as list of significant genes filtered from differential analysis report. The procedure is based on assigning genes to groups and then finding overrepresented groups in filtered gene lists using a Fisher's exact test.

Running Gene set

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Enrichment

Gene set enrichment task can be invoked on a differential analysis output (or filtered differential analysis output) data node or filtered count matrix data node. Since the data node including all the features will server as background, to get a meaningful result, always use a data node containing subset of features to invoke this task. Only gene names will be used in the computation. 

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