[R] A suggestion for predict function(s)

[Liaw, Andy]

> From: Liaw, Andy
> 
> > From: Ross Darnell 
> > 
> > A good point but what is the value of storing a large set of 
> > predicted 
> > values when the values of the explanatory variables are lost 
> > (predicted 
> > values of what?). I thought the purpose of objects was that 
> they were 
> > self explanatory (pardon the pun).
> > 
> > Maybe we could make it optional.
> 
> If what you are looking for is a way to track the 
> observations, I'd suggest
> simply adding rownames of newdata as names of the predicted 
> values.  Storing
> names is much cheaper than the entire data frame of 
> predictors.  (And in R,
> data frames _must_ have unique row names.)

And as a matter of fact, predict.lm() and predict.glm() 
(and probably most other predict() methods) already do 
that.

Andy

> 
> Cheers,
> Andy
>  
> > Ross Darnell
> > -- 
> > Email: <r.darnell at uq.edu.au>
> > 
> > 
> >
> 
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