Dear List,

I can not obtain mas5 expression values after combineAffybatch:

>
data.combi<-combineAffyBatch(list(datplus2,dat133a),c("hgu133plus2probe"
,"hgu133aprobe"),newcdf="newcdfenv",verbose=T)
package:hgu133plus2probe        hgu133plus2probe
package:hgu133aprobe    hgu133aprobe
241837 unique probes in common
>
> data.mas5<-mas5(data.combi$dat)
background correction: mas
PM/MM correction : mas
expression values: mas
background correcting...Error in as.vector(data) : NAs in foreign
function call
(arg 2)
In addition: Warning message:
NAs introduced by coercion


is there some solution to this problem?
Thanking in advance for your help,

Susana 


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