id : Unique id for each patient

age : Age of the patient in years

sex : Male/Female

dataset : location of data collection

cp : chest pain type (typical angina, atypical angina, non-anginal, asymptomatic)

trestbps : resting blood pressure (in mm Hg on admission to the hospital)

chol : serum cholesterol level (in mg/dl)

fbs : fasting blood sugar (True if blood sugar > 120 mg/dl)

restecg : resting electrocardiogram (ECG) results

thalach: maximum heart rate achieved

exang: exercise-induced angina (True/ False)

oldpeak: ST depression induced by exercise relative to rest

slope: the slope of the peak exercise ST segment

ca: number of major vessels (0-3) colored by fluoroscopy

thal: thallium stress test [normal; fixed defect; reversible defect]

num: presence of heart disease with increasing severity [0=no heart disease; 1,2,3,4 = stages of heart disease]