[Rd] sweep sanity checking?

Ben Bolker bolker at ufl.edu
Mon Jul 9 18:30:23 CEST 2007

Ben Bolker <bolker <at> zoo.ufl.edu> writes:

>   What would R-core think of the following 'enhanced'
> sweep?  

 (now posted at

It always warns if dim(x)[MARGIN] is
> not a multiple of length(STATS) {it's very hard indeed
> for me to think of a situation where you'd actually
> want this}; if check.margin=TRUE it is a bit stricter,
> complaining whenever dim(x)[MARGIN] doesn't
> match length(STATS).
>   This change seems fairly harmless since it never does anything
> more than warn; the default for check.margin could
> be FALSE if you wanted to allow people a bit more rope
> to hang themselves with ...  (of course this won't prevent
> you from sweeping the wrong margin of a square matrix,
> but nothing will).
>   cheers
>     Ben Bolker

  Enough time has now passed that I feel justified following up
on this.  Does anyone have any opinions on it, one way or the other?


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