[BioC] Limma : post statistical gene filtering

[Sean Davis]

2011/6/16 Stéphanie <stephanie.pierson at etumel.univmed.fr>:
> Hi, Sean,
> Thanks for your quickly reply !
>
> When you say "variance across ALL samples" you mean filter gene according to
> IQR ? Is there a function that permit me "to pick the top X% of the genes
> with the highest variance" ?

The genefilter package is a good place to look for gene filtering.

> unfortunately, i'm student in a lab and it's impossible to enlarge sample
> size ...

That is really too bad, but all-too-common.

Sean