[BioC] Analyzing technical replicates with DESeq2
Simon Anders
anders at embl.de
Wed May 1 20:46:07 CEST 2013
On 01/05/13 20:25, Ryan Thompson wrote:
> I believe that the simplest way to deal with technical replicates is to
> simply add their counts together, so that you have one column for each
> biological replicate.
>
> On Wednesday, May 1, 2013, Michael Muratet wrote:
> I've been using DESeq2 to analyze RNA-seq data I was given for a
> multi-factor experiment, three factors with two, three and three
> levels each with three 'replicates' in each cell. I recently learned
> that the replicates are actually technical, not biological, and I'm
> looking for the best way to set up the design matrix to take the
> correlation into account.
Ryan is correct: adding up the technical replicates is the way to go. As
your design is two-way, you will (hopefully) still have enough degrees
of freedom left to estimate the dispersion.
Simon
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