Distribution of GNUSE values. Histograms of GNUSE values from (A) 11299 HGU133a arrays from 338 studies and (B) 11029 HGU133plus2 arrays from 471 studies. Most GNUSE values are of acceptable quality (close to one), but the long right tail suggests some very poor quality probesets.
McCall et al. BMC Bioinformatics 2011 12:137 doi:10.1186/1471-2105-12-137