Table 1

Variance Structure of the 9 datasets

Dataset

Reference

Classes

Pooled Variance

DLBCL

Shipp et al., 2002

Follicular or Germinal

0.147

Prostate

Singh et al., 2002

Prostate or non-Prostate

0.182

Colon

Alon et al., 1999

Tumour or Normal

0.528

Leukaemia

Golub et al., 1999

ALL or AML

0.458

Myeloma

Tian et al., 2003

Presence or Absence of focal lesions of bone

0.841

ALL.1

Chiaretti et al., 2004

B-cell or T-cell origin

0.204

ALL.2

Chiaretti et al., 2004

With or without MDR

0.221

ALL.3

Chiaretti et al., 2004

Did or did not relapse

0.178

ALL.4

Chiaretti et al., 2004

With or without t(9;22) chromosome translocation

0.159

Jeffery et al. BMC Bioinformatics 2006 7:359   doi:10.1186/1471-2105-7-359