No.
1.Avoid using the name "data" -- it's already a commonly used function in R.
2. Why do you want it to be a list instead of a vector? Is there a
good reason for this?
Consider:
> d<- c(rep(0, 20), rep(1, 340))
> which(d>0)[1]
[1] 21
3. If you haven't already done so, spend some time with an R tutorial
or two. They typically cover things like this. There are many good
ones on the Web.
Cheers,
Bert
Bert Gunter
"The trouble with having an open mind is that people keep coming along
and sticking things into it."
-- Opus (aka Berkeley Breathed in his "Bloom County" comic strip )
On Mon, Mar 14, 2016 at 10:41 AM, Glenn Schultz <glennmschu...@me.com> wrote:
> All,
>
> I am looking to find the first principal payment date on structured MBS cash
> flow. I am testing the below to make into a function the correct index is
> returned. I am a little unsure. Is this the correct way to think about this
> problem or is there something already in R that can help?
>
> Glenn
>
> data <- as.list(c(rep(0, 20), rep(1, 340)))
>
> f <- function(x){x != 0}
>
> which(sapply(data, f ) == TRUE)[1]
>
> [[alternative HTML version deleted]]
>
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