• age
• sex
• chest pain type (4 values)
• resting blood pressure
• serum cholesterol in mg/dl
• fasting blood sugar > 120 mg/dl
• resting electrocardiographic results (values 0,1,2)
• maximum heart rate achieved
• exercise induced angina
• oldpeak = ST depression induced by exercise relative to rest
• the slope of the peak exercise ST segment
• number of major vessels (0-3) colored by flourosopy
• thal: 3 = normal; 6 = fixed defect; 7 = reversable defect

Heart disease = 1 means the person doesn’t have heart disease Heart disease = 2 means the person has heart disease

Build Decision Tree for classifying patients with Heart disease or not