Quantitative nuclear histomorphometric features are predictive of Oncotype DX risk categories in ductal carcinoma in situ: preliminary findings

Table 4 Average BC distance between the top feature sets identified by four different feature ranking methods for each of the five classification tasks (Experiment 1A, 1B, 1C, 2A, and 2B) across 100 iterations of cross validation

Feature ranking methods	High vs. low	High vs. intermediate	Intermediate vs. low	High + intermediate vs. low	High vs. low + intermediate
Covariance	0.50	0.62	0.45	0.38	0.47
WRST	0.48	0.55	0.41	0.38	0.47
MRMR-mid	0.47	0.54	0.40	0.36	0.45
MRMR-miq	0.49	0.63	0.42	0.37	0.48

ISSN: 1465-542X