Dataset contains cases from study conducted on the survival of patients who had undergone surgery for breast cancer in University of Chicago's Billings Hospital for the duration of 1958 to 1970
.Number of Instances: 306
.Number of Attributes: 4 (including the class attribute)
.Attribute Information:
a) Age of patient at time of operation (numeric)
b) Patient's year of operation (year - 1900, numerical)
c) Number of positive axillary nodes detected (numerical)
d) Survival status (class attribute)
1 = the patient survived 5 years or longer
2 = the patient died within 5 year
Dataset Source : https://www.kaggle.com/gilsousa/habermans-survival-data-set/data