A dataset containing data about survival of patients undergoing liver operation.

surgical

Format

A data frame with 54 rows and 9 variables:

bcs

blood clotting score

pindex

prognostic index

enzyme_test

enzyme function test score

liver_test

liver function test score

age

age, in years

gender

indicator variable for gender (0 = male, 1 = female)

alc_mod

indicator variable for history of alcohol use (0 = None, 1 = Moderate)

alc_heavy

indicator variable for history of alcohol use (0 = None, 1 = Heavy)

y

Survival Time

Source

Kutner, MH, Nachtscheim CJ, Neter J and Li W., 2004, Applied Linear Statistical Models (5th edition). Chicago, IL., McGraw Hill/Irwin.