R help - Mar 2010 - barplot (stacked)

Dear all,

I want to draw a barplot with the following data:


         [,1]     [,2]   [,3]       [,4]     [,5]     [,6]     [,7]       
[,8]     [,9]
[1,] 110.0675 118.4167 117.16 109.735416 101.6312 104.0312 101.8263
99.38541670 114.2613
[2,]   0.0000   0.0000   0.00   1.658333   0.0000   0.6250   0.0000 
0.05208333   0.0000

         [,10]    [,11]    [,12]    [,13]    [,14]   [,15]    [,16]    [,17]    
[,18]
[1,] 46.597917 108.5312 99.85833 104.3137 99.07917 95.5975 92.07292 108.6338
104.82917
[2,]  2.458333   0.0000  2.62500   0.0000  0.18750  0.0000  0.00000   0.0000  
0.40625

        [,19] [,20]
[1,] 48.90625  47.5
[2,]  0.00000   0.0

The problem is: I want to group the data. I want to have ten groups. The
first two bars should be [1,1] and [2,1] together in one bar and in the
second bar of the first obervation should be [1,2] and [2,2] (stacked with
beside =TRUE). Therefore the first observation is [1,1],[1,2],[2,1] and
[2,2].    

For a better understanding: I want to split the darkblue bar into a green
and a blue bar (please see picture) per observation.

Has anyone a suggestion how I can do this? Thank you very much in advane.


http://n4.nabble.com/file/n1679227/Pic.jpg 
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Hi Jens!

23.03.2010 17:18, koj wrote:
> The problem is: I want to group the data. I want to have ten groups. The
> first two bars should be [1,1] and [2,1] together in one bar and in the
> second bar of the first obervation should be [1,2] and [2,2] (stacked with
> beside =TRUE). Therefore the first observation is [1,1],[1,2],[2,1] and
> [2,2].
I am not sure that I wholly understood what You want :) But why not use 
lattice 'barchart' instead:

Let's suppose 'dm' is your data matrix. Please try the following
command
and let us know, if the output is what you are looking for:

barchart(~dm[,1]+dm[,2], stacked=T)

HTH,
Kimmo

Hi Kimmo, thank you for your answer, but this is not the thing I am searching
for. Unfortunately, I have not described the problem very good. But just in
this moment I have a good idea: I use add=TRUE and paint two plots. And so I
am sure that I can solve the problem. 
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Hi Jens!

24.03.2010 14:48, koj wrote
> 
> Hi Kimmo, thank you for your answer, but this is not the thing I am
searching
> for. Unfortunately, I have not described the problem very good. But just in
> this moment I have a good idea: I use add=TRUE and paint two plots. And so
I
> am sure that I can solve the problem. 
Just to satisfy my curiosity: does the following code solve Your problem
(once again, dm refers to your data matrix):

--- cut here ---
barplot(dm[,seq(1,20,2)], col="grey", space=2)
barplot(dm[,seq(2,20,2)], add=T, col=c("blue","green"),
space=c(3,rep(2,9)))
--- cut here ---

Regards,
Kimmo