[R] Help wit barplot

[Marc Schwartz]

Tom.O wrote:
> Hi
>
> I have som problems with a barplot. It can be created easily in Excel but I
> cant manage to get it right in R.
>
> For example:
> MyData<-
> matrix(c(1,2,-1,-1,0,-2,-2,1,1,1,-2,3),ncol=3,dimnames=list(LETTERS[1:4],seq(3)))
>
> I want the barplot to stack the positive and negative values separatly so
> that positive values are stacked over 0 and negative is stacked under 0.
>
> I have added a jpg of the graph in excel
> http://www.nabble.com/file/p15542914/Excel.jpg Excel.jpg
>
> Regards Tom

Tom,

See this post from last year:

   http://finzi.psych.upenn.edu/R/Rhelp02a/archive/100161.html

HTH,

Marc Schwartz