On 07-09-2012, at 21:54, William Dunlap wrote: > The functions > f1 <- function(x) x <- x + 1 > and > f2 <- function(x) x + 1 > both return the same value. You can see > this by doing > z1 <- f1(10) ; print(z1) > z2 <- f2(10) ; print(z2) > or just > print(f1(10)) > print(f2(10)) > > f1(x) does not automatically print its output when run > directly from the command line while f2(x) does because > assignment statements inhibit autoprinting.
Ouch. And it explains why my version with (x<-x+1) did print the result. Thanks. Berend ______________________________________________ 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.
