I have a simple question that irritatingly I haven't been able to figure
out on my own.  It seems that some functions from the "Pspline" package are
successfully installed while others are not.  The code with which I'm
working is more complicated, but the following highlights my problem.  If I
run the following code

> tt <- seq (0,1,length=20)
> xt <- tt^3
> fit <- smooth.Pspline (tt, xt, norder=3,spar=0.0001, method=1)
> pred<- predict.smooth.Pspline (fit, tt, nderiv=0)

I get this error:
"Error: could not find function "predict.smooth.Pspline" "

So it seems like "smooth.Pspline" is loading but "predict.smooth.Pspline"
isn't.  Any ideas about why this might be the case?

-Zoe Richards

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