TABLE 4.

MDB gini importance for the RF model developed from the MDBI and WMDBI values for the YD dataset.

Rank	MDB impact		Weighted MDB impact
	MDB	Gini importance	MDB	Gini importance
1	PO3H	0.080861	PO3H	0.074093
2	CO2	0.078512	NCH	0.071493
3	CO	0.075893	H2	0.069716
4	O	0.071955	CO	0.069039
5	CH2	0.069898	CCH3COOH	0.066709
6	S	0.068733	CH2	0.065887
7	H2	0.067228	O	0.065582
8	NH3(–O)	0.067118	CONH	0.065106
9	CCH3COOH	0.065289	S	0.063815
10	NCH	0.057191	CHCOOH	0.062894
11	CONH	0.054210	NH3(–O)	0.061970
12	SO3	0.053020	H2O	0.057914
13	CHCOOH	0.049574	CO2	0.054781
14	C2H2O	0.047399	O(–NH)	0.052759
15	O(–NH)	0.038924	C2H2O	0.048037
16	H2O	0.037026	SO3	0.040224
17	CHOH	0.017169	CHOH	0.009983