[BioC] Exclude probes that show sd above 0.1 between replicate values

[João Fadista]

Dear list, 
 
I have a MAList and I want to exclude probes that show a standard deviation above 0.1 between the replicate values. The number of within-array replicates for each probe (ndups) is equal to 2 and the number of spots to step from a probe to its duplicate (spacing) is equal to 1.
I am not able to to this. Can somebody give me some a hint to resolve this?
 
 
Best regards

João Fadista
Ph.d. student


 	
 	 UNIVERSITY OF AARHUS	
Faculty of Agricultural Sciences	
Research Centre Foulum	
Dept. of Genetics and Biotechnology	
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