Replacing the NA´s with eg. 1 : > a 1 2 3 4 1 20 50 10 80 2 NA 19 NA 49 3 NA 32 NA 61 4 45 101 44 190
a[try(is.na(a)) == TRUE] <- 1 > a 1 2 3 4 1 20 50 10 80 2 1 19 1 49 3 1 32 1 61 4 45 101 44 190 I this can help you, Matthias > -----Ursprüngliche Nachricht----- > Von: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] Im Auftrag von > michael watson (IAH-C) > Gesendet: Mittwoch, 05. Jänner 2005 15:26 > An: R-help@stat.math.ethz.ch > Betreff: [R] Replacing all NA values in a matrix > > > OK, dumb question, and it is probably in the docs somewhere, > but after 12 months working with R and quite a while looking > at the docs, I still don't know (or have forgotten) how to > replace all NA values in a matrix at once with some other > value. I can do it column by column using is.na(), but I > can't figure out how to do it for the whole matrix. My > apologies, I am ashamed ;-) > > Michael Watson > Head of Informatics > Institute for Animal Health, > Compton Laboratory, > Compton, > Newbury, > Berkshire RG20 7NN > UK > > Phone : +44 (0)1635 578411 ext. 2535 > Mobile: +44 (0)7990 827831 > E-mail: [EMAIL PROTECTED] > > ______________________________________________ > 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 > ______________________________________________ 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