[BioC] log intensity plots with colours

[Sean Davis]

Using a combination of plot() with points() will probably do what you want.

Sean

On Tue, May 31, 2011 at 10:07 AM, john herbert <arraystruggles at gmail.com> wrote:
> Dear Bioconductors,
> I would like to generate a scatter plot of single colour array data where;
>
> 1) up-regulated genes with FDR <= 0.05, points are coloured in red
> 2) down-regulated genes with FDR <= 0.05, points are coloured in blue
> 3) all other points are in green/other colour
>
> I know I can do volcano straight from Limma but a simple scatter plot with
> colours would be useful.
>
> Thanks.
>
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