[R] barplot ignoring col parameter

[David Winsemius]

On Dec 5, 2011, at 10:44 AM, Federico Calboli wrote:

> Hi All,
>
> I'm having a problem with barplot:
>
> mydata
> [1,]  2 108  0  0  0  1  3  0  0  0  0  0  7 18  3  4  8 20 26 20  
> 19  7  1  1
>
> mycol = c(rep('yellow', 2), rep('white', 3), rep('orange',2),  
> rep('white', 5), rep('orange',3), rep('red',9))
>
> barplot(mydata, col = mycol)
>
> gives me an uniformly yellow barplot. How do I solve this?

Hard to say, since it involves graphics devices and I cannot reproduce  
it.

 > mydata <- scan()
1:  2 108  0  0  0  1  3  0  0  0  0  0  7 18  3  4  8 20 26 20 19  7   
1  1
25:
Read 24 items
 > barplot(mydata)
 > ?barplot
 > mycol = c(rep('yellow', 2), rep('white', 3), rep('orange',2),  
rep('white', 5), rep('orange',3), rep('red',9))
 >
 > barplot(mydata, col = mycol)

Gives a multicolored display on my machine:

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>
> bw
>
> Federico
>
>
>
> --
> Federico C. F. Calboli
> Neuroepidemiology and Ageing Research
> Imperial College, St. Mary's Campus
> Norfolk Place, London W2 1PG
>
> Tel +44 (0)20 75941602   Fax +44 (0)20 75943193
>
> f.calboli [.a.t] imperial.ac.uk
> f.calboli [.a.t] gmail.com
>
> ______________________________________________
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> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.

David Winsemius, MD
West Hartford, CT