[BioC] se.exprs in Affy

Ben Bolstad bolstad at stat.berkeley.edu
Tue Jun 24 22:19:55 MEST 2003


You are using se.exprs() correctly. The rma() function does not compute
standard errors. You can get an adhoc standard error estimate by
computing the RMA expression measure using the expresso() function.

Thanks,

Ben


> > se.exprs.rma[1,]
> [1] NA NA NA NA NA NA NA NA
> 
> I don't understand why the se.exprs.rma matrix is empty? Thanks in
> advance, Mary Putt

-- 
Ben Bolstad <bolstad at stat.berkeley.edu>
http://www.stat.berkeley.edu/~bolstad



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