[BioC] maM

Jean Yee Hwa Yang jean at biostat.ucsf.edu
Mon Apr 7 11:01:58 MEST 2003


Hi Jason,

If data is an marrayNorm objects

Ratio <- 2^maM(data)

Cheers

Jean

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 Jean Yee Hwa Yang			 jean at biostat.ucsf.edu
 Division of Biostatistics,		   Tel: (415) 476-3368
 University of California,		   Fax: (415) 476-6014
 500 Parnassus Avenue, MU 420-W,  San Francisco, CA 94143-0560
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

On Mon, 7 Apr 2003, Jason Skelton wrote:

> 
> Is it possible to return intensity ratio values from marrayNorm ?
> rather than the log-intensities ?
> 
> Or if not the easiest way in R to change maM to these values ?
> 
> thanks
> 
> Jason
> 
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