[R] barplot colors

[Rui Barradas]

Hello,

I forgot to add that if you use argument beside = TRUE, you can have as 
many colors as there are bars, but this is not the kind of graph you 
want. (This behavior makes a lot of sense if you look at the underlying 
code for barplot.)

Rui Barradas

Em 26-03-2013 19:39, Rui Barradas escreveu:
> Hello,
>
> According to the code in file src/R/graphics/barplot.R, barplot() will
> draw column by column, and threfore use as many colors as rows in the
> matrix. Those colors will be reused for all bars. So I'm not seeing an
> easy way of doing what you want using base graphics. Not without
> changing the code for barplot().
>
>
> Hope this helps,
>
> Rui Barradas
>
> Em 26-03-2013 18:09, Francois de Ryckel escreveu:
>> Dear all,
>>
>> I have a 2 by 2 matrix and I would like to do a barplot with it.  (so
>> 2 bars with each having 2 stacks.).  I would like to have one colors
>> per stack, so 4 different colors total.
>> The problem is that R is only given me 2 colors (the same two for the
>> bottom stack and the same two for the top stack).  Any idea how I can
>> do to have 4 colors? (without using ggplot2 preferably)
>> Here is my code
>>
>>> w <- matrix(table(cutMF12G3),2,2)
>>> w
>>       [,1] [,2]
>> [1,]    8   13
>> [2,]    8    8
>>
>>> barplot(w, main="2012", col=c("red", "green", "blue", "pink"))
>>
>> Thanks in advance for your help.
>>
>> François
>>
>>
>>
>>     [[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.
>>
>
> ______________________________________________
> 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.