[R] Drawing a loess line

Marcin Kozak nyggus at gmail.com
Mon Feb 4 04:06:01 CET 2008


Yes, this is what I wanted and needed. Thank you all for your replies.

Marcin

On Feb 4, 2008 1:28 AM, Gabor Grothendieck <ggrothendieck at gmail.com> wrote:
> lattice has a type = "smooth" for this:
>
>    library(lattice)
>    xyplot(dist ~ speed, cars, type = c("smooth", "p"))
>
> Or with a colored line:
>
>    xyplot(dist + dist ~ speed, cars, type = c("p", "smooth"), col =
> 1:2, distribute.type = TRUE)
>
> In ggplot2 its also a one linear:
>
>    library(ggplot2)
>    qplot(speed, dist, data = cars, geom = c("point", "smooth"))
>
> or with a colored line:
>
>    qplot(speed, dist, data = cars) + geom_smooth(colour = "red")
>
>
>
> On Feb 3, 2008 3:29 PM, Marcin Kozak <nyggus at gmail.com> wrote:
> > Dear all,
> >
> > To draw a lowess line on a plot was a piece of cake; to draw a loess
> > line, however, seems not that easy. Is the loess plotting implemented
> > at all in relation to the loess function, or do I have to look in
> > add-on packages?
> >
> > Thanks,
> > Marcin
> >
>
> > ______________________________________________
> > R-help at r-project.org mailing list
> > https://stat.ethz.ch/mailman/listinfo/r-help
> > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> > and provide commented, minimal, self-contained, reproducible code.
> >
>



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