Dear list members, Berwin gave me the right hint, it works! Look at this: ## R Code a <- (1:5) a[2] <- NA b <- (6:10) b[3] <- NA
a 1 NA 3 4 5 b 6 7 NA 9 10 matrix <- array(1:5*2, dim=c(5,2)) matrix[,1] <- a matrix[,2] <- b matrix[ !apply(is.na(matrix), 1, any),] [,1] [,2] [1,] 1 6 [2,] 4 9 [3,] 5 10 ## /R Code Cheers, Fabian Berwin A Turlach wrote: > G'day Fabian, > > >>>>>>"FL" == Fabian Lienert <[EMAIL PROTECTED]> writes: > > > FL> ## R Code > FL> awithoutan <- a[(1:length(a))[(!is.na(a))&(!is.na(b))]] > a[(!is.na(a))&(!is.na(b))] ## works too > > FL> bwithoutan <- b[(1:length(b))[(!is.na(a))&(!is.na(b))]] > b[(!is.na(a))&(!is.na(b))] ## ditto > > FL> How can I do the same matching in a matrix and get a matrix without NA > FL> elements (and less colums of course)? > > FL> matrix <- array(1:5*2, dim=c(5,2)) > Not a good name, since matrix is also a function, could lead to > confusion in more complicated situations. :) > > FL> matrix[,1] <- a > FL> matrix[,2] <- b > FL> matrix[,][(!is.na(matrix[,]))] > >>matrix[ !apply(is.na(matrix), 1, any), ] > > [,1] [,2] > [1,] 1 6 > [2,] 4 9 > [3,] 5 10 > > Hope this helps. > > Cheers, > > Berwin > -- Beste GrĂ¼sse, Fabian Lienert -- pgp public key: http://lienert.org/keys/lienert.asc ______________________________________________ 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