Table 1 Cleveland heart disease dataset features

1

age

Years

[29,77]

2

sex

Sex

0 = female

1 = male

3

cp

Chest pain

0 = typical angina

1 = atypical angina

2 = non-angina pain

3 = asymptomatic

4

trestbps

Resting blood pressure in mmHg on admission to the hospital

[94, 200]

5

chol

Serum cholesterol in mg/dl

[126, 564]

6

fbs

Fasting blood sugar > 120 mg/dl

0 = false

1 = true

7

restecg

Resting electrocardiographic results

0 = normal

1 = ST-T wave abnormality

2 = left ventricular hypertrophy

8

thalach

Maximum heart rate achieved

[71, 202]

9

exang

Exercise-induced angina

0 = no

1 = yes

10

oldpeak

ST depression induced by exercise relative to rest

[0, 6.2]

11

slope

Slope of the peak exercise ST segment

0 = up sloping

1 = flat

2 = down sloping

12

ca

Number of major vessels colored by fluoroscopy

0 – 3

13

thal

Thallium stress test

1 = normal

2 = fixed defect

3 = reversible defect