Hi:

Are you thinking of a levelplot/heatmap? Some places to look:

?levelplot in the lattice package
?geom_tile in the ggplot2 package
?heatmap2 in the gplots package

You can find many more heatmap functions in R; try

library(sos)            # install first if you don't have it - *very* handy
for quick searches
findFn('heatmap')

There are more than a few packages with heatmap functions...

HTH,
Dennis

On Wed, Sep 29, 2010 at 3:55 AM, hairryharry <hairryharry@tesco.net> wrote:

> Hi,
>
> Fairly new to R - have done basic plots but now faced with plotting a
> matrix/table of results -I know what I want but cannot find out how to do
> it.
>
> Basically have individual questions ( x) to which an organization can rate
> themselves 1-10 (y) what I want to show is a matrix/density type plot (like
> the matrix corrolation plots I have seen on R graph site) showing for eac
> question (x) a circle or shape of varying size and/or colour to represent
> the number of organisations rating themselves for each value of y.
>
> Hope this makes sense, any advice would be gratefully received.
>
> HH
>
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