The Heart Disease data set comes from the Machine Learning Repository at the Center for Machine Learning and Intelligent Systems at the University of California Irvine.
The dataset can be found here: https://archive.ics.uci.edu/ml/datasets/Heart+Disease
The Heart Disease data set is available from four different databases. This project uses the data set from the Cleveland database. The original database contains 76 attributes, but the Cleveland database contains a preprocessed version with these 14 features.:
AGE: years
SEX: 1 = male, 0 = female
CP: Chest pain
1: Typical angina
2: Atypical angina
3: Non-anginal pain
4: Asymptomatic
TRESTBPS: Resting blood pressure (in mg Hg on admission to the hospital)
CHOL: serum cholestoral in mg/dl
FBS: (fasting blood sugar > 120 mg/dl) (1 = true; 0 = false)
RESTECG: resting electrocardiographic results
THALACH: maximum heart rate achieved
EXANG: exercise induced angina (1 = yes; 0 = no)
OLDPEAK: ST depression induced by exercise relative to rest
SLOPE: the slope of the peak exercise ST segment
1: upsloping
2: flat
3: downsloping
CA: number of major vessels (0-3) colored by flouroscopy
THAL: 3 = normal; 6 = fixed defect; 7 = reversable defect
DIAGNOSIS:
0: < 50% diameter narrowing
1: > 50% diameter narrowing
It is important to note that the diagnosis values in the original database contain values 0 through 4, with 1 through 4 measuring the severity positive diagnosis. For research purposes, it is standard practice to only predict binary values for this feature.
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