3.2 Cleveland data set
All previously published reports and tests that have been conducted within this area
uses not all of the 76 attributes found in the Heart disease database. Instead, a subset
known as the Cleveland data set, has been chosen to represent the Heart disease
database. The Cleveland data set consists of 14 attributes, including the attribute
num. Num is the “goal” attribute, measuring and distinguishing the presence or
absence of heart disease in the patient. The other attributes are some of the most
common risk factors used in classical evidence-based heart disease diagnosis [17].