On Wed, 02 Aug 2006 17:12:53 -0400, Chuck Cleland wrote: > Why not do it this way? > > Df$bat <- replace(Df$bat, Df$bat >=50, 100)
Is that any different, performancewise, than the following? Df$bat[Df$bat >= 50] <- 100 Gerald Jansen ... John Kane wrote: > Simple example > > cat <- c( 3,5,6,8,0) > dog <- c(3,5,3,6, 0) > rat <- c (5, 5, 4, 9, 0) > bat <- c( 12, 42, 45, 32, 54) > > Df <- data.frame(cbind(cat, dog, rat, bat)) ... ______________________________________________ [email protected] 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.
