Table 3.

Features of heart disease datasets

Feature	Description	Value
Age	Age in years	Continuous value
Sex	Sex	1: male; 0: female
Cp	Chest pain type	1: typical angina
		2: atypical angina
		3: non-anginal pain
		4: asymptomatic
Trestbps	Resting blood sugar	Continuous value in mm hg
Chol	Serum Cholestoral	Continuous value in mm/dl
Fbs	Fasting blood sugar	$0:<120$ mg/dl
		$1:>120$ mg/dl
Restecg	Resting ECG results	0 :  normal
		1 :  having ST-T wave abnormality
		2 :  probable or definite
		left ventricular hypertrophy
Thalach	Maximum heart rate achieved	Continuous value
Exang	Exercise induced angina	0 :  no
		1 :  yes
Oldpeak	ST depression induced by exercise relative to rest	Continuous value
Slope	Slope of the peak exercise ST segment	1 = upsloping
		2 = flat
		3 = downsloping
Ca	Number of major vessels colored by flourosopy	0, 1, 2, 3
Thal	Heart beat	3 :  normal
		6 :  fixed defect
		7 :  reversable defect
Num	Predicted class	0, 1