Table 2.

The characteristics of the used datasets.

Dataset	# Instances	# Features	Clasisfication Type	Availability
Heart disease UCI	303	14	Multiclass	The data set is publicly available on the Kaggle website https://www.kaggle.com/ronitf/heart-disease-uci (accessed on 2 July 2021)
Pima Indians Diabetes Database	768	9	Binary class	The data set is publicly available on the Kaggle website https://www.kaggle.com/uciml/pima-indians-diabetes-database (accessed on 2 July 2021)
Heart Attack Prediction	294	76	Multiclass	The data set is publicly available on the Kaggle website https://www.kaggle.com/imnikhilanand/heart-attack-prediction (accessed on 2 July 2021)
Sonar	1334	60	Binary class	The data set is publicly available on the Kaggle website https://www.kaggle.com/ypzhangsam/sonaralldata (accessed on 2 July 2021)