R help - Sep 2012 - how to qplot two x-axis x1:Farenheit x2:Celsius

Hi,

how can i plot two different x axis in a ggplot2 qplot?
I want to plot Farenheit and Celsius in one diagram.
x1:Farenheit x2:Celsius

kind regards,

-- 
Jonas Stein <news at jonasstein.de>

On 09/12/2012 09:29 AM, Jonas Stein wrote:
> Hi,
>
> how can i plot two different x axis in a ggplot2 qplot?
> I want to plot Farenheit and Celsius in one diagram.
> x1:Farenheit x2:Celsius
>
Hi Jason,
Here's a basic example of how to do this sort of thing.

degC<-seq(-40,120,by=20)
plot(degC,1:9)
axis(3,at=degC*1.4+32)
mtext("degF",3,line=2)

Jim

I don't think you can with the current version of ggplot2.  

There appears to be development work on the issue but It's beyond my level
of knowledge to implement the developmental programming althought it looks good.

https://groups.google.com/forum/?fromgroups=#!topic/ggplot2/mBdq01BxoKE seems to
give a good idea of what has/is happening.

John Kane
Kingston ON Canada

> -----Original Message-----
> From: news at jonasstein.de
> Sent: Wed, 12 Sep 2012 01:29:25 +0200
> To: r-help at stat.math.ethz.ch
> Subject: [R] how to qplot two x-axis x1:Farenheit x2:Celsius
> 
> Hi,
> 
> how can i plot two different x axis in a ggplot2 qplot?
> I want to plot Farenheit and Celsius in one diagram.
> x1:Farenheit x2:Celsius
> 
> kind regards,
> 
> --
> Jonas Stein <news at jonasstein.de>
> 
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> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
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