Table 9.

Summary of feature importance for shape only feature set (feature importance greater than 0.01 highlighted in bold text)

	All sizes	Small	Medium	Large
Roughness	0.027	0.005	0.067	0.336
Compactness	0.013	0.013	0.035	0.044
Solidity	0.002	0.008	0.031	0.009
Circularity	0.001	0.010	0.001	0.026
Eccentricity	0.001	0.004	0.008	<0.001
Radial distance SD	0.003	0.005	0.006	<0.001
Second moment	0.003	0.036	0.002	<0.001
Extent	0.003	0.006	0.002	<0.001