Additional data file 2.
The weighted average D-index over the three training cohorts NKI2, EMC and NCH is shown as a function of the incremental number of top-ranked genes in the overall molecular classifier. Weights were chosen proportional to the number of samples in each cohort. The ranking of the genes was determined by the global average Cox-score over the ten training-test set partitions and three training cohorts.
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Teschendorff et al. Genome Biology 2006 7:R101 doi:10.1186/gb-2006-7-10-r101