[R] position weight matrix

Uwe Ligges ligges at statistik.tu-dortmund.de
Wed Mar 25 13:56:47 CET 2009



Bogdan Tanasa wrote:
> Hi all,
> 
> I am sorry to fill your inbox mail with a naive question, although I would
> really appreciate your opinion.
> I am looking for a R function that takes a set of aligned sequences, and
> transforms a position frequency
> matrix into a position weight matrix. Thanks a lot.


Is it well known what this terminology means in statistics? I have 
missed it so far and do not know which matrices you are talking about. 
You may want to be more specific and if this is about genetics, you may 
consider to ask on the BioConductor mailing list.

Best,
Uwe Ligges


> -- bogdan
> 
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