[R] predict function

[Liaw, Andy]

If you know what you're looking for, you can always get to non-exported
function by using :::, e.g., modreg:::predict.loess will give you the
function.  

Andy

> From: Rolf Turner
> 
> Uwe Ligges wrote:
> 
> > Thomas Jagoe wrote:
> > 
> > > I am using R to do a loess normalisation procedure.
>     .
>     .
>     .
> > > However in 1.8.1 all goes well until the last step when I 
> get an error:
> > > 
> > > Error: couldn't find function "predict.loess"
> > > 
> > > Can anyone help ?
> > 
> > 
> > Use predict() instead of predict.loess() (the method is hidden in a 
> > namespace, you should use the generic function).
> > 
> > Uwe Ligges
> 
> Why are the developers ***DOING*** these things to us?
> 
> It used to be so simple and straightforward!  If I wanted to look
> at an object, including a function object, I typed its name.  Now
> I get hand-cuffed by this ``namespace'' business!  I will wager
> Euros to doughnuts that no-one apart from the developers has a clue
> what a ``namespace'' is, much less what it is good for.  Whatever
> problem ``namespaces'' were introduced to solve, it pales by
> comparison with the handicaps they introduce.
> 
> It's classic tail-wagging-the-dog syndrome.
> 
> When I get errors from R code, which come from within ``system''
> functions, it has been my practice to make a local copy (in the
> .Globalenv) of the function, stick in calls to browser(), and
> thereby track down what's going on/wrong.  This always worked like a
> charm. Now if the problem arises within, e.g. predict.loess, I'm
> stuffed.
> 
> 					cheers,
> 
> 						Rolf Turner
> 						rolf at math.unb.ca
> 
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