Try this: df[df$A == 3, c('B', 'K')] <- with(df[df$A == 3, c('B', 'K')], cbind(5, gsub("f", "m", K)))
On Sun, Jan 16, 2011 at 12:19 PM, Patrick Hausmann < patrick.hausm...@uni-bremen.de> wrote: > Arrg, sorry - of course I don't want *new* variables. So this is my correct > example: > > > df <- data.frame(A = c(1,1,3,2,2,3,3), > B = c(2,1,1,2,7,8,7), > K = c("a.1", "d.2", "f.3", > "a.1", "k.4", "f.9", "f.5")) > > x1 <- within(df[df$A ==3, ], { > B <- 5 > > K <- gsub("f","m", K) > }) > > x2 <- transform(df[df$A==3, ], B = 5, K = gsub("f","m", K)) > > Thanks > Patrick > > Am 16.01.2011 15:13, schrieb Patrick Hausmann: > > Dear all, >> >> for each A == 3 in 'df' I would like to change the variables B and K. >> My result should be the whole df and not the subset (A==3)... >> >> df <- data.frame(A = c(1,1,3,2,2,3,3), >> B = c(2,1,1,2,7,8,7), >> K = c("a.1", "d.2", "f.3", >> "a.1", "k.4", "f.9", "f.5")) >> >> x1 <- within(df[df$A ==3, ], { >> B1 <- 5 >> K1 <- gsub("f","m", K) >> }) >> >> x2 <- transform(df[df$A==3, ], B1 = 5, K1 = gsub("f","m", K)) >> >> Thanks for any help! >> Patrick >> >> ______________________________________________ >> 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. > -- Henrique Dallazuanna Curitiba-Paraná-Brasil 25° 25' 40" S 49° 16' 22" O [[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.