Table 1.

Results of ROC analysis. The area under the ROC-curve (AUC) in each data set. Genes have been ranked according to the ROTMIX-score, and by log-ratios M or rotated log-ratios M*.

Ranking variable	COL vs N315	COL vs Mu50	TIGR4 vs R6	TIGR4 vs G54
${\widehat{\rho }}_i$	0.91	0.83	0.84	0.82
M i	0.73	0.62	0.84	0.79
$M_i^{*}$	0.90	0.80	0.79	0.78