[R] 11 distinguishable colors

Paul Hiemstra p.hiemstra at geo.uu.nl
Wed Nov 25 10:42:59 CET 2009


Hi,

Also take a look at the RColorBrewer package.

cheers,
Paul

milton ruser wrote:
> Hi there,
>
> I picked it up from r.colors' grass manual:
>
> http://colorbrewer2.org/
>
> The code bellow cold be usefull for you explore simbols and colors.
>
> x11(900,500)
> par(mfrow=c(1,2))
> x<-runif(20)
> y<-runif(20)
> plot(y~x, type="n")
> Number.of.symbols<-20
> for (i in 1:Number.of.symbols)
>  {
>  points(y[i]~x[i], pch=i, cex=1.5)
>  text((x[i]+0.02),y[i], i)
>  }
>
> colors.list<-colors()
> Number.of.colors<-100
> colors.list<-colors.list[1:Number.of.colors]
> plot(0:1,0:1, type="n")
> for (i in colors.list)
>  {
>  x<-runif(1)
>  y<-runif(1)
>  text(x,y, i, col=i)
>  }
>
> cheers
>
> miltinho
>
> On Tue, Nov 24, 2009 at 6:01 PM, phoebe kong <sityeekong at gmail.com> wrote:
>
>   
>> It should be 11 different groups, not 8.
>>
>> On Tue, Nov 24, 2009 at 3:00 PM, phoebe kong <sityeekong at gmail.com> wrote:
>>
>>     
>>> Hi,
>>>
>>> I want to draw a plot where the data set has 8 different groups. Could
>>>       
>> you
>>     
>>> suggest 8 combination of colors and symbols that are distinguishable? If
>>>       
>> the
>>     
>>> colors are too close, it would be hard to differentiate from the plot.
>>>
>>> Thanks,
>>>
>>>       
>>        [[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<http://www.r-project.org/posting-guide.html>
>> and provide commented, minimal, self-contained, reproducible code.
>>
>>     
>
> 	[[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.
>   


-- 
Drs. Paul Hiemstra
Department of Physical Geography
Faculty of Geosciences
University of Utrecht
Heidelberglaan 2
P.O. Box 80.115
3508 TC Utrecht
Phone:  +3130 274 3113 Mon-Tue
Phone:  +3130 253 5773 Wed-Fri
http://intamap.geo.uu.nl/~paul




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