[BioC] how to convert expression set data into matrix data ?

[Anne Sauve]

Hello,

I am trying to convert some expression set data into a matrix format 
in order to do computations on them.

The way I do it now is in 3 steps:

write.exprs(B[,14],file="B.txt")
B = read.table("B.txt")
Bmat = as.matrix(Bmat)

where B is an expression set with 15 samples and 12626 genes.

Is there a more direct way of doing that conversion ?

Thanks for  your help,

Anne

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