Table 3. The symptom attributes used to predict HD in the experiment.

Name	Description
AGE	age of a patient
SEX	sex of patient (1 = male; 0 = female)
CPT	Chest Pain Type
	– Value 1: typical angina
	– Value 2: atypical angina
	– Value 3: non-angina pain
	– Value 4: asymptomatic
TRESTBPS	: resting blood pressure (in mm Hg on admission to the hospital)
CHOL	Serum Cholesterol in mg/dl
FBS	(Fasting Blood Sugar mg/dl) (1 = true; 0 = false)
RESTECG	Resting Electrocardiographic results
	– Value 0: normal
	– Value 1: having ST-T wave abnormality (T wave inve-
	rsions and/or ST elevation or depression of mV)
	– Value 2: showing probable or definite left ventricular
	hypertrophy by Estes’ criteria
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
	– Value 1: up-sloping
	– Value 2: flat
	– Value 3: down-sloping
CA	number of major vessels (0–3) colored by fluoroscope
THAL	3 = normal; 6 = fixed defect; 7 = reversible defect