[R] for() loop question

[Wensui Liu]

Thank you so much Marc.

Your solution is exactly what I am looking for.

Have a nice weekend.

wensui

On 8/26/06, Marc Schwartz <MSchwartz at mn.rr.com> wrote:
> On Sat, 2006-08-26 at 13:06 -0400, Wensui Liu wrote:
> > Dear Lister,
> >
> > If I have a list of number, say x<-c(0.1, 0.5, 0.6...), how to use a for()
> > to loop through each number in x one by one?
> >
> > Thank you so much!
> >
> > wensui
>
> Two options:
>
> x <- c(0.1, 0.5, 0.6)
>
> > for (i in x) {print (i)}
> [1] 0.1
> [1] 0.5
> [1] 0.6
>
>
> > for (i in seq(along = x)) {print (x[i])}
> [1] 0.1
> [1] 0.5
> [1] 0.6
>
>
> Which approach you take tends to depends upon what else you are doing
> within the loop.
>
> I would also take a look at ?sapply, depending up what is it you are
> doing.
>
> HTH,
>
> Marc Schwartz
>
>
>


-- 
WenSui Liu
(http://spaces.msn.com/statcompute/blog)
Senior Decision Support Analyst
Health Policy and Clinical Effectiveness
Cincinnati Children Hospital Medical Center