[R] calling plot

[Jeff Newmiller]

plotxy(y1~x1, XY, xlim=c(0, max(XY$x1)))
-- 
Sent from my phone. Please excuse my brevity.

On February 8, 2016 7:17:57 PM PST, Spencer Graves <spencer.graves at effectivedefense.org> wrote:
>I'm getting an interesting error:
>
>
> > plotxy <- function(x, ...){
>+   plot(x, ...)
>+ }
> > XY <- data.frame(x1=1:3, y1=4:6)
> > plotxy(y1~x1, XY, xlim=c(0, max(x1)))
>  Show Traceback
>
>  Rerun with Debug
>  Error in eval(expr, envir, enclos) : object 'x1' not found
>
>
>       The following work:
>
>
>plotxy(y1~x1, XY)
>plot(y1~x1, XY, xlim=c(0, max(x1)))
>
>
>     Within "plotxy", R can't find "x1" to compute "xlim".  Is there a 
>way I can make x1 available to xlim?
>
>
>       Thanks,
>       Spencer
>
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