[R] Strange behaviour of sapply function.

[Jim Lemon]

Hi bickis,
Putting on my dark glasses and flailing about with a big white stick*,
I would suggest that you look at what "atv" actually produces from
those three objects. I wouldn't be surprised to find quite different
things.

Jim
* blind guess

On Thu, Sep 12, 2019 at 7:04 PM <bickis using math.usask.ca> wrote:
>
> Here is are a few lines of my R session:
>
> > class(income)
> [1] "integer"
> > class(sapply(1000*income-999,atv,sktaxb,sktax))
> [1] "numeric"
> > class(sapply(1000*income-1001,atv,sktaxb,sktax))
> [1] "list"
>
> Although "income" is a numeric array, and sapply works as expected
> returning an array (the function "atv" returns a single numeric argument),
> if subtract a large enough number from the first argument, the sapply
> function now wants to return a list?   Am I missing something?
>
> I am running version 3.3.2 on Mac OS 10.9.9
>
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