A comparison of Affymetrix gene expression arrays

BMC Bioinformatics

Table 3 Summary of probe- and gene-level variances for technical replicates

	U133	HuEx	HuGene
Average Number of Probes per Gene	16.1	44.8	26.8
Average Number of Probes per Exon	-	5.8	3.7
Median Probe-Level Variance	0.139	0.306	0.308
Median Exon-Level Variance	-	0.086	0.119
Median Gene-Level Variance	0.015	0.035	0.020

ISSN: 1471-2105