anna wrote: > > Hello everyone, I have a vector P and I want to replace each of its > missing values by its next element, for example: > P[i] = NA --> P[i] = P[i+1] >
You can also try P[which(is.na(P))]<- P[which(is.na(P))+1] or avoiding duplicate calculations index.Pna<-which(is.na(P)) P[index.Pna] <- P[index.Pna+1] You are left with having to decide what to do if the last element of P is NA. Berend -- View this message in context: http://n4.nabble.com/Error-on-using-lag-function-tp1399935p1415529.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.
