Computes \(\mathrm{Var}(\bar{Z}_x) = {}^{2}\bar{A}_x - \bar{A}_x^2\).
Usage
var_Abarx(x, i, model, ...)
Arguments
- x
Age.
- i
Effective annual interest rate.
- model
Parametric survival model name.
- ...
Additional model parameters passed to survival-model functions.
Value
Numeric vector of variances.