### Name: get.array.subset
### Title: Get a subset of arrays from an affybatch object, split by
###   phnotypic data
### Aliases: get.array.subset get.array.subset,AffyBatch-method
###   get.array.subset,ExpressionSet-method
### Keywords: misc

### ** Examples

  ## Not run: 
##D     subset1 <- get.array.subset.affybatch(eset.rma,"group","A")
##D     subset2 <- get.array.subset.exprset(eset.rma,"group",c("A","P"))
##D     subset3 <- get.array.subset(eset.rma,"group","A")
##D   
## End(Not run)