net_premium_rate# net_premium_rate()[source]# Net premium 1000 sum assured. Calculates and returns a Series of net premium rates per 1000 sum assured per payment for all model points. Defined as: (1000 / sum_assured()) * pv_claims() / pv_pols_if_pay() See also sum_assured() pv_claims() pv_pols_if_pay()