Hi,

How does edgeR handle continuous variables? I would like to include variables like age and BMI in my analysis. As far as I have seen there is no case study in the documentation, please correct me if I am wrong or refer to a place where this is discussed.
Especially, glmLRT produces a logFC value also for continuous variables if they are included in the design matrix. How is that calculated and does it make sense to do this?

The reason I want to include this is to correct for e.g. age effects on a metagenome sample set.

Sincerely,

Fredrik Karlsson

Systems and Synthetic Biology
Department of Chemical and Biological Engineering
Chalmers University of Technology
Kemivägen 10, SE-412 96 Göteborg, Sweden
Office: Room  3057B
Tel+46(0)31-772 3886
www.sysbio.se<http://www.sysbio.se/>



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