[R] 4D stacked column chart, Excel -> R

[hadley wickham]

A stacked barchart is a bad idea.  A 3d barchart is a very bad idea. 
A stacked 3d barchart is a very very bad idea.

Why?  Because it is very difficult to compare numbers.  In a stacked
bar chart you can only really compare the total, and the number in the
lowest bar.  In a 3d barchart you can only compare values in the same
row (distorting perspective + occlusion).

If you want to display you data in a interpretible way, I would
suggest a dotchart, carefully broken down to emphasise the comparisons
you want.

Hadley

On 2/27/06, waeltlmi at fh-albsig.de <waeltlmi at fh-albsig.de> wrote:
> Hi All.
>
> I'd like to programm a 4 dimensional chart in R.
> Acctually I wanted to solve that problem in Excel cause I had the data there.
> Here is a link of my actual problem description (there are some chart pictures as well)....
> http://www.mrexcel.com/board2/viewtopic.php?t=187336&highlight=stacked+column
> because I still couldn't solve that problem I came to R.
>
> The chart should be actually a 3D chart of the type 3D Column Chart with following achsis:
> X Achsis: driven kilometre in 10000 blocks
> Y Achsis: Production month
> Z Achsis: number
> I need to show another month in that chart, the repair month.
> Each column should be a stacked column with more colors, so that every color shows one repair month.
>
> I tried to do it with the scatterplot3d function after I saw this example (it is from uwe ligges book):
> install.packages("scatterplot3d")
> library("scatterplot3d")
> data(trees)
> s3d <- scatterplot3d(trees, type = "h", angle = 55, scale.y = 0.7, pch = 16, main = "trees")
> my.lm <- with(trees, lm(Volume ~ Girth + Height) )
> s3d$plane3d(my.lm, lty.box = "solid" )
>
> Normally I just have to group the ranges which show the km in 10000 blocks and group the points as well,
> but I didn't come that far. even the scatterplot3d funtion didn't work for my data (gwx and x is my data table).
> x <- gw.faelle(gwx)
> k3d <- scatterplot3d(x, type = "h", angle = 55, scale.y = 0.7, pch = 16, main = "GWK" )
> Error in segments(x, z, x, z2, col = col, cex = cex.symbols, ...) :
>  invalid color specification
>
> Do you have an idea how I can accomplish this task? Is it at allpossible to do that with scatterplot and some low level functions orshall I look at other packages and functions?
>
> Thanks in advance for any help and ideas!
>
> Best regards,
> Michael
>
>
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>
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