[R] color matrix

[baptiste auguie]

Hi,

It's easy with ggplot2,

cols = matrix(c("#F7FBFF", "#DEEBF7", "#C6DBEF", "#9ECAE1", "#6BAED6",
"#4292C6", "#2171B5", "#08519C" ,"#08306B"), ncol=3)

library(ggplot2)
m = melt(cols)
qplot(factor(X1),factor(X2),data=m, fill=value, geom="tile") +
  scale_fill_identity()

HTH,

baptiste

2010/1/27 evgeny55 <evgeny55 at yahoo.com>:
>
> Hi,
> Is it possible to create a heatmap for say a 3x3 matrix of data where every
> color is pre-assigned?
> I can easily create a matrix of hex colors but when I try to use that matrix
> as the parameter for the 'col' option it doesn't work.  If it's possible to
> just display a matrix of hex colors that would work as well
>
> thanks
> --
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