[BioC] More than one weight with marrayRaw class

Jean Yee Hwa Yang jean at biostat.ucsf.edu
Tue Nov 11 16:56:20 MET 2003

Hi Mike,

The current solution would be to modify read.marrayRaw and read in the two
columns you are interested in.  Construct a filter functions and store the
results in the slot "maW".  

Alternately, you can store any statistics in the class "marrayTwo". See
help(marrayTwo) and then construct a filter functions and store the
results back in maW(marrayRaw).

Hope this helps.



On Tue, 11 Nov 2003, Mike Schaffer wrote:

> Using marrayRaw, Is there a way to combine two columns of data from a 
> GenePix file into the Weight for a spot?
> For instance I would like to read in the "Flag" and "F Pixels" columns 
> from the GenePix file to filter out all flagged spots and spots below a 
> threshold size.  It doesn't appear this is possible without modifying 
> the marray classes.
> Thanks.
> --
> Mike
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> Bioconductor at stat.math.ethz.ch
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