[R] Barplot and colors for legend

[Uwe Ligges]

Werner Wernersen wrote:

> Hi all!
> 
> One quick question: How do I get the standard colors
> used by barplot? I have 
> some stacked bars and would like to add a horizontal
> legend via legend() but I 
> don't know how to find the colors for the fills of the
> legend points.
> 
> Thanks!
>    Werner


Type
   barplot.default
and read the code:

for a vector: "grey",
for a matrix: grey(seq(0.3^2.2, 0.9^2.2, length = nrow(height))^(1/2.2))


Uwe Ligges