[R] plot circles where z values are circles radius
Thomas Adams
tea3rd at gmail.com
Fri Jan 23 22:29:12 CET 2015
I think what you should look at are these web sites I found with a Google
search:
http://flowingdata.com/2010/11/23/how-to-make-bubble-charts/
http://www.r-bloggers.com/bubble-plots-ggplot2/
http://cran.r-project.org/web/packages/HSAUR/vignettes/Ch_logistic_regression_glm.pdf
http://cran.r-project.org/web/packages/mapplots/mapplots.pdf
Cheers!
Tom
On Fri, Jan 23, 2015 at 2:12 PM, Dr. Alireza Zolfaghari <
ali.zolfaghari at gmail.com> wrote:
> Hi there,
> I am trying to plot z values using Circle symbol. Each x and y has a value
> which will be plotted using a circle where circle's radius is corrlated
> with the value of z.
>
> I wrote the code , but unable to change the size of circle no matter what I
> chose for Scale. Any help please?
>
> x=c(84390255386 ,84390255386, 78028317380 ,53594648044,422)
> y=c(949849442 ,941645043, 840135292, 74, 821632939)
> z=c(0.005641896, 0.005641896 ,0.005641896, 0.007978846,0.007978846)
>
> convertToRadius<-function(x){return(sqrt(x/pi))}
>
> scale=0.3
>
> xlims =c(min(x),max(x))
> ylims =c(min(y),max(y))
> z=convertToRadius(z)*scale
>
> symbols(x,y, circles=z, fg='red')
>
> thanks
> Alireza
>
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>
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