Table 2.

Selected features using distance correlation, LASSO, and GBDT.

Selection method	Selected features
Distance Correlation	HISTO_Kurtosis, HISTO_Entropy, HISTO_Energy, SHAPE_Volume, GLCM_Energy, GLCM_Entropy_log10, NGLDM_Contrast, GLZLM_ZLNU
LASSO	minValue, meanValue, stdValue, SHAPE_Volume (ml), GLCM_Contrast, GLRLM_HGRE, GLRLM_LRHGE, GLRLM_GLNU, GLRLM_RLNU, GLZLM_LZE, GLZLM_HGZE, GLZLM_SZHGE, GLZLM_LZHGE, GLZLM_GLNU, GLZLM_ZLNU
GBDT	minValue, HISTO_Skewness, SHAPE_Volume (ml), GLCM_Homogeneity, GLCM_Energy, GLCM_Correlation, GLCM_Entropy_log10, GLCM_Dissimilarity, GLRLM_LRLGE, GLRLM_RLNU, NGLDM_Contrast, GLZLM_SZE, GLZLM_LZHGE, GLZLM_ZLNU

LASSO, least absolute shrinkage and selection operator; GBDT, gradient boosting decision tree.