Detecting DeFi securities violations from token smart contract code

Financial Innovation

Table 5 Random forest model performance with undersampling

	Accuracy	Precision	Recall	F-1 score
RF1: Full-feature model	0.759	0.757	0.759	0.757
RF2: Top 10 features of model RF1	0.801	0.800	0.800	0.800
RF3: Top 3 features of RF1	0.780	0.780	0.780	0.780
RF4: Top feature of RF1 (CALLDATASIZE)	0.777	0.774	0.777	0.774
RF5: Non-zero coefficients of EN regression model	0.731	0.731	0.731	0.731
RF6: Top 10 features of RF5	0.743	0.742	0.743	0.742
RF7: Top 3 features of RF5	0.741	0.741	0.741	0.741
RF8: Top feature of RF5 (LT)	0.747	0.747	0.747	0.747
RF9: Top 10 features of EN regression model	0.690	0.689	0.690	0.689