[BioC] Simpleaffy QC

[Lana Schaffer]

Hi,
The plot(qc) command prints a plot of the Affy QC metrics.
The GAPDH ratio is a bit confusing because the ratios
range from <0 to >3.  How can the GAPDH ratio be 0?
Could these values represent log of the ratio?

Lana Schaffer
Biostatistics/Informatics
The Scripps Research Institute
DNA Array Core Facility
La Jolla, CA 92037
(858) 784-2263
(858) 784-2994
schaffer at scripps.edu