barplot ignoring col parameter
On 5 Dec 2011, at 15:58, R. Michael Weylandt wrote:
x <- c(2L, 108L, 0L, 0L, 0L, 1L, 3L, 0L, 0L, 0L, 0L, 0L, 7L, 18L,
3L, 4L, 8L, 20L, 26L, 20L, 19L, 7L, 1L, 1L)
mycol = c(rep('yellow', 2), rep('white', 3), rep('orange',2),
rep('white', 5), rep('orange',3), rep('red',9))
barplot(x, col = mycol)
Produces a multi-colored barplot on my machine so I understand your
confusion. Does the above work for you? It may be something hidden in
your data.
It does work. Might it be that my data is a matrix? I'm using it to give a name for each bar.
What is your sessionInfo() and str(mydata)? Same problem in a fresh R session (with --vanilla if necessary)?
sessionInfo() R version 2.14.0 (2011-10-31) Platform: x86_64-apple-darwin9.8.0/x86_64 (64-bit) locale: [1] en_GB.UTF-8/en_GB.UTF-8/en_GB.UTF-8/C/en_GB.UTF-8/en_GB.UTF-8 attached base packages: [1] splines stats graphics grDevices utils datasets methods base other attached packages: [1] survival_2.36-10 loaded via a namespace (and not attached): [1] tools_2.14.0 str(mydata) num [1, 1:24] 2 108 0 0 0 1 3 0 0 0 ... - attr(*, "dimnames")=List of 2 ..$ : NULL ..$ : chr [1:24] "A" "B" "C" "D" ... Basically, using the 'x' object as you created the code works, and I can have a workaround. I fail to see why it would not work using mydata. Cheers F
Michael On Mon, Dec 5, 2011 at 10:44 AM, Federico Calboli <f.calboli at imperial.ac.uk> 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?
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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-- 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