gast {CauchyCP}

Example 1: gastric carcinoma trial data

Description

A two-arm gastric carcinoma clinical trial: ninety patients with locally advanced, non-resectable gastric carcinoma received either chemotherapy alone (N = 45) or chemotherapy plus radiation (N = 45).

Usage

gast

Format

A data frame with 90 rows and 3 variables:

trt

treatment indicator, 1=chemotherapy + radiation, 0=chemotherapy alone.

status

event indicator, 1=death, 0=censored.

time

follow up time, in days

Source

K. R. Hess, Assessing time-by-covariate interactions in proportional hazards regression models using cubic spline functions, Statistics in medicine 13 (10) (1994) 1045–1062.