Thank you all for the replies. Problem soved! J
On 12/10/08, Bert Gunter <gunter.ber...@gene.com> wrote: > > I believe the usual practice in this case is simply to give default values > for arguments: > function(x, y, opt.arg1 = 0, opt.arg2 = sin(1),...) > > If you haven't already done so, perusal of "An Introduction to R" -- > especially the "Named Arguments and Defaults" -- would be appropriate. > > Cheers, > Bert Gunter > > > > -----Original Message----- > From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] > On > Behalf Of Tony Breyal > Sent: Wednesday, December 10, 2008 1:01 PM > To: r-help@r-project.org > Subject: Re: [R] missing argument > > ?missing > > never used it myself, but looks like it might help you :-) > > Tony Breyal. > > On 10 Dec, 19:09, "jonas garcia" <garcia.jona...@googlemail.com> > wrote: > > Dear list, > > I have a question and I'm going to give an example of my problem > > > > f<- function(d1, d2, d3) > > { > > d<- d1*d2/d3 > > return(d) > > > > } > > > > v1<- 1 > > v2<- 2 > > If I try > > f(v1, v2, v3) > > Error in f(v1, v2, v3) : object "v3" not found > > > > I obviously got the above error message. > > I would like to add something to my function to allow me to get a certain > > value (say zero) > > if one of the arguments is not provided (in this case v3). > > > > Thanks in advance > > J > > > > [[alternative HTML version deleted]] > > > > ______________________________________________ > > r-h...@r-project.org mailing > listhttps://stat.ethz.ch/mailman/listinfo/r-help > > PLEASE do read the posting > guidehttp://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. > > ______________________________________________ > 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.
