haberman: Haberman survival data

habermanR Documentation

Haberman survival data

Description

A binary classification dataset on breast cancer survival after surgery.

Usage

haberman

Format

A data frame with 306 rows and 4 variables:

age

Age of patient at operation time in years.

operation_year

Year of operation minus 1900.

positive_axillary_nodes

Number of positive axillary nodes detected.

survival_status

Survival status (1 = survived 5 years or longer, 2 = died within 5 years).

Source

Haberman's Survival Data from the University of Chicago's Billings Hospital study, distributed through the UCI Machine Learning Repository.

Examples

str(funcml::haberman)
table(funcml::haberman$survival_status)

funcml documentation built on Aug. 22, 2026, 5:08 p.m.