[R] How to get warning about implicit factor to integer coercion?

[Ista Zahn]

Hi,
I think an example would be helpful. I'm not sure what behavior you
are referring to.

best,
Ista
On Mon, Feb 14, 2011 at 5:31 AM, WB Kloke <wb at ifado.de> wrote:
> Is there a way in R (12.x) to avoid the implicit coercion of factors to integers
> in the context of subscripts?
>
> If this is not possible, is there a way to get at least a warning, if any
> coercion of this type happens, given that the action of this coercion is almost
> never what is wanted?
>
> Of course, in the rare case that as.integer() is applied explicitly onto a
> factor, the warning is not needed, but certainly not as disastrous as in the
> other case.
>
> Probably, in a future version of R, an option similar to that for partial
> matches of subscripts might be useful to change the default from maximal
> unsafety to safe use.
>
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> and provide commented, minimal, self-contained, reproducible code.
>



-- 
Ista Zahn
Graduate student
University of Rochester
Department of Clinical and Social Psychology
http://yourpsyche.org