R help - Nov 2012 - lattice: defining grouping variable only for the upper/lower panel with splom

Using the mtcars dataset, how to define the grouping variable to be valid
only for the upper or lower panel?

The following doesn't work:

# Code start

splom(~data.frame(mpg, disp, hp, drat, wt, qsec),
      data=mtcars, pscales=0,
      auto.key=list(columns=3),
      upper.panel = function(...){
        panel.grid(...)
        panel.xyplot(groups=cyl,...)
      }
)

# Code end



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On Mon, Nov 19, 2012 at 5:42 AM, AnjaM <a.mirenska@gmail.com> wrote:
> Using the mtcars dataset, how to define the grouping variable to be valid
> only for the upper or lower panel?
>
> The following doesn't work:
>
> # Code start
>
>
Almost :

splom(~data.frame(mpg, disp, hp, drat, wt, qsec),
>       data=mtcars, pscales=0,
>       auto.key=list(columns=3),
>       upper.panel = function(...,groups){
>         panel.grid(...)
>         panel.xyplot(groups=mtcars$cyl,...)
>       }
> )
>
>
> # Code end
>
>
>
> --
> View this message in context:
>
http://r.789695.n4.nabble.com/lattice-defining-grouping-variable-only-for-the-upper-lower-panel-with-splom-tp4650033.html
> Sent from the R help mailing list archive at Nabble.com.
>
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Thank you very much, this works!



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