[R] how to plot a data.frame?

[Weiwei Shi]

hi,
i have a data frame like this:
0.3  0.7
0.4  0.8

i am trying to plot this data frame and each cell is filled with
different colors based on the value. Is there a function which can do
this?

thanks,


-- 
Weiwei Shi, Ph.D
Research Scientist
GeneGO, Inc.

"Did you always know?"
"No, I did not. But I believed..."
---Matrix III