Re: [R] two y-axis in xy-plot

From: Antje Schüle <Antje.Schuele_at_komdat.com>
Date: Wed 11 Jan 2006 - 00:29:21 EST

Hi all,

I think there is something I have forgotten to emphasize. I'd like to have an xyplot (with lattice library). A trellis graphic. For every weekday I like to have a graphic with all hours. And inside the graphic there are the two frequencies as lines.

The problem finally is the use of the xyplot in library(lattice) in combination with the second y-axis.

Thanks.

Antje


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?

Thanks for your help,

Antje

-----Ursprüngliche Nachricht-----
Von: Deepayan Sarkar [mailto:deepayan.sarkar@gmail.com] Gesendet: Montag, 9. Januar 2006 18:08
An: Antje Schüle
Cc: r-help@stat.math.ethz.ch
Betreff: Re: two y-axis in xy-plot

On 1/9/06, Antje Schüle <Antje.Schuele@komdat.com> wrote:
> Hi there,
>
>
>
> I am wondering if it is possible to do an xyplot with two y-axes. I'd like
> to print two parameters in a time series but they both have different
> scales.
>
>
>
> Which parameter in xyplot can I add to achieve this result?

The answer depends on the details of what you are doing, so please provide us with a reproducible example.

Deepayan



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