Ernesto Jardim <[EMAIL PROTECTED]> writes:
> Hi,
>
> I want to plot 2 variables (confidence intervals) in a single xyplot. I
> have a dataframe with variables Yup, Ylo, X and Z and I want to have a
> xyplot with both variables ploted. I'm trying with
>
> xyplot(Yup~X|Z, panel=function(x){...})
>
> but this way I'm not able to pass variable Ylo into the function...
>
> How can I do this ?
According to the "formula" description on the manual page for xyplot
you can use
xyplot(Ylo+Yup~X|Z, allow.multiple=TRUE)
Did you try that?
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