Anomaly Detection in Heart Disease Using a Density-Based Unsupervised Approach

Table 1

An example of a feature set after the feature selection step.

Property	Allowed property value	Property type	Property	Allowed property value	Property type
Age	29-77	Numeric continuous	Maximum heart rate	70-202	Numeric continuous
Sex	0-1	Sequential	Exercise-related pain	0-1	Sequential
Type of chest pain	1-4	Exercise-induced depression	Sequential	0-6.2	Numeric continuous
Blood pressure	94-200	Numeric continuous	ST slope at the peak of exercise	1-3	Sequential
Cholesterol	126-564	Numeric continuous	The number of clogged main vessels	0-3	Sequential
Blood sugar	0-1	Sequential	Thalassemia patient status	3-7	Sequential
Electrocardiographic results	0-2	Sequential	Patient’s cardiac status (predicted class)	0-4	Sequential