Spencer, et. al.:
As I suspected, my previous "solution" was pretty stupid. Here is, I
think, the "right" way to
go about it:
plotxy <- function(x,...){
mcall <- match.call(expand.dots=FALSE)
mcall[[1]]<- plot.default
eval(mcall)
}
Best,
Bert
Bert Gunter
"The trouble with having an open mind is that people keep coming along
and sticking things into it."
-- Opus (aka Berkeley Breathed in his "Bloom County" comic strip )
On Mon, Feb 8, 2016 at 8:10 PM, Spencer Graves
<spencer.gra...@effectivedefense.org> wrote:
> Hi, Jeff et al.:
>
>
> On 2/8/2016 9:52 PM, Jeff Newmiller wrote:
>> plotxy(y1~x1, XY, xlim=c(0, max(XY$x1)))
>
>
> Yes, Thanks.
>
>
> Is there a way to do this from within "plotxy", so I can call
> "plotxy" as I call "plot"?
>
>
> Thanks,
> Spencer
>
>
>> --
>> Sent from my phone. Please excuse my brevity.
>>
>> On February 8, 2016 7:17:57 PM PST, Spencer Graves
>> <spencer.gra...@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
>>
>> ------------------------------------------------------------------------
>>
>> R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see
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>> PLEASE do read the posting
>> guidehttp://www.R-project.org/posting-guide.html
>> and provide commented, minimal, self-contained, reproducible code.
>>
>
> [[alternative HTML version deleted]]
>
> ______________________________________________
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