This function retrieves KEGG gene sets for an organism under investigation either via download from the KEGG REST server.
Either a list of
Should a locally cached version used if available?
Gene set file in GMT format. See details.
The GMT (Gene Matrix Transposed) file format is a tab delimited file format that describes gene sets. In the GMT format, each row represents a gene set. Each gene set is described by a name, a description, and the genes in the gene set. See references.
A list of gene sets (vectors of gene IDs).
Ludwig Geistlinger <[email protected]>
KEGG Organism code http://www.genome.jp/kegg/catalog/org_list.html
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# WAYS TO DEFINE GENE SETS ACCORDING TO HUMAN KEGG PATHWAYS # (1) from scratch: via organism ID gs <- get.kegg.genesets("hsa") # (2) extract from pathways # download human pathways via: # pwys <- download.kegg.pathways("hsa") pwys <- system.file("extdata/hsa_kegg_pwys.zip", package="EnrichmentBrowser") gs <- get.kegg.genesets(pwys)
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