Table 4.

Resampling performance over subset size for recursive feature selection for tissue biomarkers.

Variables	Accuracy	Kappa	Accuracy SD	Kappa SD
1	0.9033	0.800	0.19660	0.4041
2	0.9333	0.868	0.16836	0.3347
3	0.9600	0.920	0.13702	0.2740
4	0.9700	0.940	0.11995	0.2399
5	0.9700	0.940	0.11995	0.2399
10	0.9733	0.940	0.10838	0.2399
15	0.9633	0.920	0.12729	0.2740
20	0.9633	0.920	0.12729	0.2740
25	0.9633	0.920	0.12729	0.2740

The accuracy of ML model performance in dependence of variable panel size is shown. Variables refer to microarray probes.

Kappa, Cohen’s kappa; SD, standard deviation.