[R] two y-axis in xy-plot

[Deepayan Sarkar]

On 1/10/06, Antje SchÃ¼le <Antje.Schuele at komdat.com> wrote:
>
> It is nearly the same example I wrote about in
> http://www.mail-archive.com/r-help@stat.math.ethz.ch/msg54238.html. I'll
> print it out again:
>
> In the first column I have numbers from 0 to 23 (hours of a day), the second
> column contains the name of a weekday (Day as factor) and the third column
> contains the number I am interested in. So as an example, the first five
> rows look like that:
>
>      Hour Day Freq
>
> 1     0  Mo    23
>
> 2     1  Mo    20
>
> 3     2  Mo    14
>
> 4     3  Mo    27
>
> 5     4  Mo    26
>
>
> To read: On Monday between 0 and 1 o'clock 23 things happened.
>
> Now I add a new parameter, so that the data looks somehow like that:
>
>      Hour Day Freq Freq2
>
> 1     0  Mo    23	  874
>
> 2     1  Mo    20   476
>
> 3     2  Mo    14	  201
>
> 4     3  Mo    27   912
>
> 5     4  Mo    26   172
>
> Now I'd like to have a plot for every weekday containing the two frequencies
> as a line during the hours.
>
> Is this possible with two y-axes?

Take a look at this thread:

https://stat.ethz.ch/pipermail/r-help/2005-November/081286.html

-Deepayan