[R] Adding locfit confidence intervals in trelis xyplot

[Dieter Menne]

Deepayan Sarkar <deepayan.sarkar <at> gmail.com> writes:

> 
> On 10/18/06, juan f poyatos <jpoyatos <at> cnio.es> wrote:
> > Dear all,
> > I am trying to include confidence intervals in a xyplot.
> >
...
 
> Well, panel.locfit doesn't have any options to draw confidence bands,
> so you'll have to write a panel function that does. Shouldn't be hard
> to extend panel.locfit if you know how to extract that information
> from a locfit object.

plot.locfit has bands. I think Juan mixed trellis and standard plot 
documentation.


x <- rnorm(100)
y <- dnorm(x) + rnorm(100) / 5
plot(locfit(y~x), band="global")