Look at the archives of this mailing list for a discussion entitled 'Stack trace?' on Nov 9-10 of this year.
Bill Dunlap Spotfire, TIBCO Software wdunlap tibco.com > -----Original Message----- > From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On > Behalf Of Gene Leynes > Sent: Tuesday, December 06, 2011 10:58 AM > To: ROLL Josh F > Cc: r-help@r-project.org > Subject: Re: [R] To Try or to TryCatch, I have tried to long > > I've had the same problem in other cases. > > Does anyone know how to catch warnings as well as errors? > > On Tue, Dec 6, 2011 at 12:34 PM, ROLL Josh F <jr...@lcog.org> wrote: > > > ** > > Agreed. But what I am trying to control is when I get a warning. I want > > to do something different if a warning OR an error pop up? Any ideas? > > > > Cheers > > > > ------------------------------ > > *From:* gley...@gmail.com [mailto:gley...@gmail.com] *On Behalf Of *Gene > > Leynes > > *Sent:* Tuesday, December 06, 2011 10:27 AM > > *To:* ROLL Josh F > > *Cc:* r-help@r-project.org > > *Subject:* Re: [R] To Try or to TryCatch, I have tried to long > > > > I think the problem is that it's only a warning and not an error. > > > > result_<-list() > > for(i in 1:10){ > > if(inherits(try(sqrt(9-i),silent=TRUE),"try-error")){ > > #If sqrt fails > > cat('fail',i,'\n') > > result_[[i]]<-0 } else { > > #If sqrt succeeds > > cat('succeed',i,'\n') > > result_[[i]] <- 1 } > > } > > result_ > > > > On Tue, Dec 6, 2011 at 11:11 AM, LCOG1 <jr...@lcog.org> wrote: > > > >> So after about 4 hours struggling with Try and TryCatch I am throwing in > >> the > >> towel. I have a more complicated function that used logspline through > >> iterative distributions and at some point the logspline doesnt function > >> correctly for some subsets but is fine with others so I need to be able to > >> identify when the error occurs and stop curtailing the distribution and I > >> think this Try or TryCatch should do the trick but I think I am missing > >> something here. A simple example > >> > >> > >> result_<-list() > >> for(i in 1:10){ > >> if(inherits(try(sqrt(9-i),silent=TRUE),"try-error")){ > >> #If sqrt fails > >> result_[[i]]<-0 } else { > >> #If sqrt succeeds > >> result_[[i]] <- 1 } > >> } > >> > >> > >> I would expect this to fail only when i > 9 but succeeds each time. DO i > >> need to specify something different where "try-error" resides? Thanks > >> guys > >> > >> Cheers, > >> Josh > >> > >> > >> -- > >> View this message in context: > >> http://r.789695.n4.nabble.com/To-Try-or-to-TryCatch-I-have-tried-to-long-tp4165578p4165578.html > >> Sent from the R help mailing list archive at Nabble.com. > >> > >> ______________________________________________ > >> 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. > >> > > > > > > [[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. ______________________________________________ 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.
