> I didn't find a function getGOontology. Can you post a little > self-contained piece of code that mimics the problem? It's in GOstats. > getGOOntology function (x) { if (!is.character(x)) stop("need a character argument") if (length(x) == 0) return(character(0)) wh <- mget(x, env = GOTERM, ifnotfound = NA) return(sapply(wh, Ontology)) }