prop: Identifies the multiplicative terms in Cox-Aalen model and proportional
excess risk model
Description
Specifies which of the regressors that belong to the multiplicative part of
the Cox-Aalen model
Usage
prop(x)
Arguments
x
variable
Details
$$ \lambda_{i}(t) = Y_i(t) ( X_{i}^T(t) \alpha(t) ) \exp(Z_{i}^T(t)
\beta ) $$ for this model prop specified the covariates to be included in
\(Z_{i}(t)\)