StrataExample: example data for stratified model illustration
In surtvep: Cox Non-Proportional Hazards Model with Time-Varying Coefficients

StrataExample

R Documentation

example data for stratified model illustration

A simulated data set containing 2 binary variables from 10 distinct stratums.

data(StrataExample)

A list containing the following elements:

z: simulated binary covariates V1 and V2, with a time-independent coefficient \beta_1(t)=1 and a time-varying coefficient \beta_2(t)=sin(3\pi t/4).
event: simulated failure event response; binary variable with 0 or 1.
time: simulated observed event times; continuous variable with non-negative values.
strata: simulated strata variable; patients in different stratums have different baseline hazards.