Re: [R] locpoly

From: Liaw, Andy <andy_liaw_at_merck.com>
Date: Fri 24 Feb 2006 - 07:23:19 EST


From: Duncan Murdoch
>
> On 2/23/2006 9:56 AM, Amir Safari wrote:
> >
> >
> > Dear R Users,
> > When using locpoly function, number of output values is
> smaller than the number of input values. How is it possible
> to get number of output component $y equal to the number of inputs.
>
> You could use linear interpolation on its outputs, e.g.
>
> x <- runif(20)
> y <- x^2 + rnorm(20)
>
> fit <- locpoly(x, y, bandwidth=0.3)
> fitfn <- approxfun(fit$x, fit$y)
> yhat <- fitfn(x)

... Or use something that has a predict() method; e.g., locfit() in the `locfit' package.

Andy  

> Duncan Murdoch
>
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R-help@stat.math.ethz.ch mailing list
https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Fri Feb 24 07:45:04 2006

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