On Thu, 15 Apr 2004 bioconductor-request@stat.math.ethz.ch wrote: I am trying to use the goTool package. See what happend when I tried to run the example from the ontoCompare help: (I got the same error with my own data). Some hints ? >data(probeID) >ontoCompare(affylist, probeType="hgu133a", plot=TRUE) [1] "Starting ontoCompare..." Error in sort(unique.default(x), na.last = TRUE) : `x' must be atomic -- Mayte Suarez Farinas The Rockefeller University 1230 York Avenue, Box 212 New York, NY 10021 phone: 1-212-327-8186 fax: 1-212-327-7422