[R] plot POSIX class and identify

Petr Pikal petr.pikal at precheza.cz
Tue May 20 14:05:00 CEST 2003


Thank you

On 20 May 2003 at 12:10, Uwe Ligges wrote:

> Petr Pikal wrote:
> > Hallo all
> > just a small question I did not find an answer in help pages.
> > 
> > Is it possible to use identify() after plotting with plot.POSIX to 
> 
> Hmmm. There is not method plot.POSIX, but there are plot.POSIXct and
> plot.POSIXlt.
> 
> > label points and/or to find out some points?
> 
> identify() works as expected, just use it. You need to convert POSIXlt
> objects to POSIXct objects before.

That's it

> plot(cas,pokus$tspkkp)
> identify(cas,pokus$tspkkp)
Error in xy.coords(x, y) : x and y lengths differ
> identify(as.POSIXct(cas),pokus$tspkkp)
[1] 1919 5448

Thanks again

> 
> Uwe Ligges
> 
> > Thanks a lot.
> > Best regards
> > 
> > Petr Pikal
> > petr.pikal at precheza.cz
> > p.pik at volny.cz
> 

Petr Pikal
petr.pikal at precheza.cz
p.pik at volny.cz




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