To expand on Gabor's response, using type=c("p","smooth") will closer replicate
the effect of the scatter.smooth function.
--
Gregory (Greg) L. Snow Ph.D.
Statistical Data Center
Intermountain Healthcare
greg.s...@imail.org
801.408.8111
> -----Original Message-----
> From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-
> project.org] On Behalf Of Gabor Grothendieck
> Sent: Saturday, January 30, 2010 4:18 PM
> To: ATANU
> Cc: r-help@r-project.org
> Subject: Re: [R] DRAW TWO REGRESSION CURVES IN ONE GRAPH
>
> On Sat, Jan 30, 2010 at 12:39 PM, ATANU <ata.s...@gmail.com> wrote:
> > how can i draw two regression curves in one graph??i can draw them
> seperately
> > using scatter.smooth.but can"t adjust them in one single graph
>
> Using the built in iris data frame:
>
> library(lattice)
> xyplot(Sepal.Length ~ Sepal.Width, iris, group = iris$Species, col =
> 1:3, type = c("p", "r"))
>
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