Hi, I have got an error while i have been running goseq R package using UCSC known gene ID such numbers, 1,2,...27315.(27181 genes). When i computed pwf. it was fine. but, In getgo function, there is an error message like below: would you plz look at it and let me know what is wrong with it? ********************************************************************** ************************** > head(genes) 1 2 3 4 5 6 0 0 0 0 0 0 > str(genes) Named int [1:27181] 0 0 0 0 0 0 0 0 0 0 ... - attr(*, "names")= chr [1:27181] "1" "2" "3" "4" ... > pwf = nullp(genes,"mm9","knownGene") Loading mm9 length data... > getgo(genes,'mm9','knownGene') Loading required package: AnnotationDbi Loading required package: Biobase Welcome to Bioconductor Vignettes contain introductory material. To view, type 'openVignette()'. To cite Bioconductor, see 'citation("Biobase")' and for packages 'citation(pkgname)'. Loading required package: DBI Error in getgo(genes, "mm9", "knownGene") : Couldn't grab GO categories automatically. Please manually specify. In addition: Warning message: replacing previous import ‘summary’ when loading ‘IRanges’ ********************************************************************** **************************** I will be awaiting the reply from you! Thanks in advance, sunghee- [[alternative HTML version deleted]]