gotError <- try(gene.seq <- getSequence
(id=gene.map[,"ensembl_transcript_id"], type="ensembl_transcript_id",
seqType="3utr", mart=hmart))
if (inherits(gotError, 'try-error')){.....error occurred, do recovery........}On Mon, Aug 3, 2009 at 11:53 AM, <mau...@alice.it> wrote: > Sometimes the following function call causes a database exception: > >> gene.seq <- getSequence (id=gene.map[,"ensembl_transcript_id"], >> type="ensembl_transcript_id", > + seqType="3utr", mart=hmart) > > I understand the above function must be called by try to capture the eventual > error. > WHat is not clear to me is how to realize that an error has occurred. The > on-line documentation > mentions an invisible object of class "try-error". > How shall I test whetehr such object has been created or not ? > I assume it is created whenever an error does occur ....? > > Thank you for your help. > Maura > > > tutti i telefonini TIM! > > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > -- Jim Holtman Cincinnati, OH +1 513 646 9390 What is the problem that you are trying to solve? ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
