On Thu, Nov 19, 2009 at 4:27 PM, Marc Schwartz <marc_schwa...@me.com> wrote: > On Nov 20, 2009, at 10:21 AM, Peng Yu wrote: > >> There are a few version of apply() (e.g., lapply(), sapply()). I'm >> wondering if there is one that does not return anything but just >> silently apply a function to the list argument. >> >> For example, the plot function is applied to each element in 'alist'. >> It is redundant to return anything from apply. >> >> apply(alist,function(x){ plot each element of alist}) > > > > Just use a for() loop. If you are plotting things, the performance > bottleneck is not going to be in the loop. > > Sometimes, we get too anal about avoiding for() loops.
Is there a way to get the name of the list in the loop body? > List=list(a='c',b='x',e='q') > for(x in List) { print(x) } [1] "c" [1] "x" [1] "q" ______________________________________________ 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.