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| Sr no. | Data type | Attributes | Description |
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| 1 | Numeric | Age | It is described in years |
| 2 | Binary | Sex | Gender where 1 represents male while 0 represents female |
| 3 | Categorical | Chest pain (CP) | It is type of chest pain having four classes with varying degree with values from (0 to 3) |
| 4 | Numeric | Resting blood pressure (testbps) | Measure of blood pressure in mmHg (94 to 200) |
| 5 | Numeric | Cholestrol (chol) | Measure of cholesterol in blood (126 to 554) |
| 6 | Binary | Fasting blood sugar (fbs) | Measure of sugar in blood with fasting (0, 1) |
| 7 | Categorical | Resting ECG (restecg) | Measure of ECG in resting phase having three classes: normal, ST defected, and ventricular hypertrophy (0, 1, and 2) |
| 8 | Numeric | Thalach | Maximum heart rate in beats per minute (71 to 202) |
| 9 | Binary | Exang | Exercise-induced agina (1 and 0) |
| 10 | Decimal | Old peak | ST depression induced by exercise (0 to 4.4) |
| 11 | Ordinal | Ca | Number of major vessels colored (0 to 3) |
| 12 | Categorical | Thal | Represents thallium stress test results (0 = NA, 1 = fixed defect, 2 = normal, 3 = reversible defect) |
| 13 | Categorical | Slope | The slop of ST segment having three classes, upward, flat, and downward slopes with values of 0, 1, and 2 |
| 14 | Binary | Target | Target attributes having two classes where 1 indicates presence of heart attack 0 indicates absence of heart attack |
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