On 2/16/07, Nicolas Degallier <[EMAIL PROTECTED]> wrote: > > Dear R'helpers, > > I guess the solution is trivial but despite some hours of testing and > looking at the doc, I was unable to fix the following problem. > > I want to do either: > > for (i in 1:lat) a[i,which(a[i,]==0] <- NA
a[a == 0] <- NA or: > for (i in 1:lat) a[i,which(a[i,]==-9999|a[i,]==9999|a[i,]==9998|a[i,] > ==-9998)] <- NA a[a %in% c(9999, -9999, 9998, -9998)] <- NA if the word "Time" is or is not present in variable "nomfichier": > test<-grep("Time",nomfichier) > > the controlling test would be: > > if (test==1) > > But in either cases I obtain: > > if (grep("Time",nomfichier)>0) for (i in 1:lat) a[i,which(a[i,]==0] > <- NA > Erreur : syntax error > > > if (grep("Time",nomfichier)<>0) {for (i in 1:lat) a[i,which(a[i,] > ==-9999|a[i,]==9999|a[i,]==9998|a[i,]==-9998)] <- NA} > Erreur : syntax error > > > > I would appreciate if someone can show me the right way to do this. > > Sincerely > Nicolas > > Nicolas Degallier > > UMR 7159 / IRD UR182 > Laboratoire d'Océanographie et du Climat, Expérimentation et > Approches Numériques (LOCEAN) > Tour 45-55, 4e ét., case 100, 4 place Jussieu > 75252 Paris Cedex 5 France > tél: (33) 01 44 27 51 57 > fax: (33) 01 44 27 38 05 > > E-mail: <[EMAIL PROTECTED]> > pdf reprints (login="anonymous"; password="[EMAIL PROTECTED]"): > ftp://ftp.locean-ipsl.upmc.fr/LOCEAN/ndelod > > ______________________________________________ > R-help@stat.math.ethz.ch 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 you are trying to solve? [[alternative HTML version deleted]]
______________________________________________ R-help@stat.math.ethz.ch 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.