Re: [R] Fwd: Re: How to create following chart for visualizing multivariate time series

From: Henrique Dallazuanna <wwwhsd_at_gmail.com>
Date: Fri, 29 Feb 2008 08:29:56 -0300

library(lattice)
levelplot(r, colorkey=list(col=gray((0:32)/32)), col.regions=(col=gray((0:32)/32)))

On 29/02/2008, Megh Dal <megh700004_at_yahoo.com> wrote:
> Hi Jim, i think you could not get my point. I did not want to put red-blue color there. I want to put a pallet which will describe the values of r. please have a look on following : http://bp0.blogger.com/_k3l6qPzizGs/RvDVglPknRI/AAAAAAAAAKo/itlWOvuuOtI/s1600-h/pairwise_kl_window60.png. Please see how a color pallate is added on the right side of this plot describing the value of red color, value of blue color etc.
>
> Is there any solution?
>
> Regards,
>
>
> jim holtman <jholtman_at_gmail.com> wrote:
> Try something like this:
>
> require(grDevices) # for colours
> x <- y <- seq(-4*pi, 4*pi, len=27)
> r <- sqrt(outer(x^2, y^2, "+"))
> image(x, y, r, col=gray((0:32)/32))
> colors <- colorRampPalette(c('red', 'yellow', 'blue')) # create you
> color spectrum
> image(x,y,r, col=colors(100))
>
>
>
> On Thu, Feb 28, 2008 at 9:28 PM, Megh Dal wrote:
> > I used ?image function to do that, like below :
> >
> > require(grDevices) # for colours
> > x <- y <- seq(-4*pi, 4*pi, len=27)
> > r <- sqrt(outer(x^2, y^2, "+"))
> > image(x, y, r, col=gray((0:32)/32))
> >
> > However my next problem to add a color pallet for color description [as shown in following link]. If anyone here tell me how to do that, it will be good for me.
> >
> > Regards,
> >
> >
> >
> >
>
> > Megh Dal wrote: Hi all,
>
> >
> > Can anyone here please tell me whether is it possible to produce a chart displayed in http://www.datawolf.blogspot.com/ in R for visualizing multivariate time series? If possible how?
> >
> >
> > Regards,
> >
> >
> > ---------------------------------
> >
> >
> >
> > ---------------------------------
> >
> >
> >
> > ---------------------------------
> >
> > [[alternative HTML version deleted]]
> >
> > ______________________________________________
> > R-help_at_r-project.org mailing list
> > https://stat.ethz.ch/mailman/listinfo/r-help
> > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> > and provide commented, minimal, self-contained, reproducible code.
> >
>
>
>
> --
> Jim Holtman
> Cincinnati, OH
> +1 513 646 9390
>
> What is the problem you are trying to solve? Tell me what you want to
> do, not how you want to do it.
>
>
>
> ---------------------------------
>
> [[alternative HTML version deleted]]
>
> ______________________________________________
> R-help_at_r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>

-- 
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O

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Received on Fri 29 Feb 2008 - 11:32:03 GMT

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