On 07 Jun 2005 12:18:06 +0200, Peter Dalgaard <[EMAIL PROTECTED]> wrote:
> Denis Chabot <[EMAIL PROTECTED]> writes:
> 
> > Thank you very much Andy, this is exactly what I was looking for. I
> > did not know this function.
> 
> It's a horrible misnomer though (ave() is originally for replacing values
> with averages, but obviously has other uses). Any suggestions for a
> better name (or alias).

ave seems to be a generalized projection as ave(y,x,mean) 
equals fitted(lm(y~x)) and for suitable functions f ave(y,x,f) is
idempotent.   Not sure if that suggests a name.

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