Berwin A Turlach wrote: > G'day Rainer, > > On Fri, 25 Jan 2008 10:34:32 +0200 > Rainer M Krug <[EMAIL PROTECTED]> wrote: > > [...] > >> > p <- data.frame(runif(10), runif(10), runif(10)) >> > lapply( p, function(ps) {x11(); plot(ps)} ) >> >> which results in three graphs and a printout: > [...] >> How can I avoid this printout without using >> >> tmp <- lapply( p, function(ps) {x11(); plot(ps)} )? > > ?invisible > > like in invisible(lapply( p, function(ps) {x11(); plot(ps)} ))
thanks - that's an option. But the idea is to prevent the creation of an object - and even if I don't assign it to a variable, isn't that object already created in the function lapply()? I would like to save on time and memory (I know - not necessary, but I would prefer to.) But I will remember the suggestion about the invisible() > > Note, your solution seems to involve less keystroke but has the > disadvantage of creating an object in your workspace. true - I should do > rm(tmp) afterwards > > Of course, you could always do something like: > >> ilapply <- function(...) invisible(lapply(...)) > > ## perhaps better: > ## ilapply <- function(X, FUN, ...) invisible(lapply(X, FUN, ...)) > >> ilapply(p, function(ps) {x11(); plot(ps)}) > > To save keystrokes in the long run. :) > > HTH. > > Cheers, > > Berwin > > =========================== Full address ============================= > Berwin A Turlach Tel.: +65 6515 4416 (secr) > Dept of Statistics and Applied Probability +65 6515 6650 (self) > Faculty of Science FAX : +65 6872 3919 > National University of Singapore > 6 Science Drive 2, Blk S16, Level 7 e-mail: [EMAIL PROTECTED] > Singapore 117546 http://www.stat.nus.edu.sg/~statba ______________________________________________ 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.