[BioC] limma - MA

[Hans-Ulrich Klein]

João Fadista wrote:

>[...] 
>  
>
>>plotMA(RG[(RG$weights)>0.1,], array=1)
>>    
>>
>Error in `[.RGList`(RG, (RG$weights) > 0.1, ) : 
>        (subscript) logical subscript too long
>  
>

Dear Joao,

you can try

 > RG$weights <- RG$weights - 0.1;
 > plotMA(RG, array=1, zero.weights=FALSE);
 > RG$weights <- RG$weights + 0.1;

If the argument zero.weights is set to FALSE (default value), plotMA() 
omits spots with a weight less or equal 0.

Regards,
Hans-Ulrich


-- 
Westfälische Wilhelms-Universität Münster
Department of Medical Informatics and Biomathematics
Hans-Ulrich Klein, Domagkstr. 9, Raum 27, 48149 Münster