[BioC] Accessing SD values from CEL files

[Hans van Leeuwen]

Hi,

I want to extract both the signal intensity and the corresponding SD values
from Affymetrix CEL files. I read in the affy BioC 1.8 release notes that
ReadAffy can now optionally return the SD values stored in the CEL file.

When I use ReadAffy I add the parameter sd = TRUE, but I am trying to figure
out how I can get these value from the object. Is there a function,
equivalent to the intensities() function, to retrieve the SD values?

Thanks,

Hans van Leeuwen