# Re: [R] multiple functions with three dots

From: Greg Snow <Greg.Snow_at_imail.org>
Date: Fri, 1 Feb 2008 11:46:21 -0700

You can try something like:

>a <- 1:5
>b <- 6:10
>d <- 3:7

plot.list <- list(x=x,y=y)
plot.list <- c(plot.list,list(...), as.list(plot.dots))    do.call(plot, plot.list)

points.list <- list(x=x,y=z)
points.list <- c(points.list, list(...), as.list(points.dots) )    do.call(points, points.list)

}

>example(a,b,d, pch=0, plot.dots=list(cex=2),
points.dots=list(col='green'))

Hope this helps,

```--
Gregory (Greg) L. Snow Ph.D.
Statistical Data Center
Intermountain Healthcare
greg.snow_at_imail.org
(801) 408-8111

> -----Original Message-----
> From: r-help-bounces@r-project.org

> [mailto:r-help-bounces_at_r-project.org] On Behalf Of John Lande
> Sent: Friday, February 01, 2008 7:34 AM
> To: r-help_at_r-project.org
> Subject: [R] multiple functions with three dots
>
> Dear all,
>
> I am creating functions with the "three dot" strategy. I wold
> like to have suggestion when writing multiple functions that
> calls multiple functions with "...".
>
> I will give you a couple of example:
>
> >a=1:5
> >b=6:10
> >d=3:7
>
> >example=function(x,y, z, ...){
>    plot(x,y, ...)
>    points(x,z, ...)
>
> }
>
> >example(a,b,d)
>
> how can I set different parameters for points and plot
> functions? for example in plot I want to have bigger dots
> (lwd=3), while in the points I want to have green dots.
>
> any suggestion?
>
>
> thank you.
>
> 	[[alternative HTML version deleted]]
>
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> and provide commented, minimal, self-contained, reproducible code.
>

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