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
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