| No. | Features | Definition |
| 1 | age | The age of the person |
| 2 | sex | The sex orientation of the indiduval either male or female representing 1 for male and 0 for female |
| 3 | cp | Type of chest pain, 0 represents asymptomatic, 1 atypical angina, 2 non-anginal pain and 3 typical angina |
| 4 | trestbps | Resting blood pressure is represented in mmHg (unit) |
| 5 | chol | Showing the serum cholesterol in mg/dl (unit) |
| 6 | fbs | Result of fasting blood sugar is determined based on the value of of an individual with 120 mg/dl, hence if fbs is more than 120 mg/dl the result is 1 or else is 0 |
| 7 | restecg | Resting ECG |
| 8 | thalach | Max heart rate achieved |
| 9 | exang | Exercise induced angina |
| 10 | oldpeak | ST depression induced by exercise relative to rest |
| 11 | slope | The slope of the peak exercise ST segment |
| 12 | ca | The number of major vessels |
| 13 | thal | A blood disorder called thalassemia |
| 14 | target | Diagnosis of heart disease |