Computes \(\mathrm{Var}(Z_{x:\overline{n}|}^{1}) = {}^{2}A_{x:\overline{n}|}^{1} - (A_{x:\overline{n}|}^{1})^2\).
Usage
var_Axn1(x, n, i, tbl = NULL, model = NULL, ...)
Arguments
- x
Age.
- n
Term.
- i
Effective annual interest rate.
- tbl
Optional life table object.
- model
Optional parametric survival model name.
- ...
Additional arguments passed to survival-model functions.
Value
Numeric vector of variances.