Re: [R] How to plot two variables using a secondary Y axis

From: hadley wickham <h.wickham_at_gmail.com>
Date: Wed, 11 Jul 2007 07:57:53 +0200

On 7/10/07, Felipe Carrillo <mazatlanmexico_at_yahoo.com> wrote:
> Date Fo Co 6/27/2007 57.1 13.9 6/28/2007 57.7 14.3 6/29/2007 57.8 14.3 6/30/2007 57 13.9 7/1/2007 57.1 13.9 7/2/2007 57.2 14.0 7/3/2007 57.3 14.1 7/4/2007 57.6 14.2 7/5/2007 58 14.4 7/6/2007 58.1 14.5 7/7/2007 58.2 14.6 7/8/2007 58.4 14.7 7/9/2007 58.7
> 14.8
>
> Hello all:
> I am a newbie to R, and I was wondering how can I plot the Temperature values above using Lattice or ggplot2 code. I want Date(X axis), Degrees F(Y axis) and Degrees C( on a secondary Y axis).

Hi Felipe,

It's not currently possible with ggplot2, but it is something on my to do list.

Hadley



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