Arguments
t
a vector of observed times.
ic
a vector of cause indicators.
z
a matrix of covariates for fitting the model.
zc
a matrix of covariates for fitting the censoring distribution.
strata.var
a vector contains information about strata membership.
variance
Includes variance calculation if TRUE, Skips variance calculation if FALSE.
var.conservative
Includes minor term of variance of beta if FALSE, no minor term for variance of beta if TRUE.