I used rma
from the oligo package to normalize CEL files, returning an object of class ExpressionSet
. How do I access the actual expression data?
> data = read.celfiles(names)
> data2 = oligo::rma(data)
class(data2)
[1] "ExpressionSet"
attr(,"package")
[1] "Biobase"
> data3 = as.matrix(data2)
Error in as.vector(data) :
no method for coercing this S4 class to a vector
oligo::rma
documentation? Can you clarify why this doesn't make sense to you? $\endgroup$