lt_rule_1a0_ak: Andreev-Kingkade approximation for a0

In timriffe/DemoTools: Standardize, Evaluate, and Adjust Demographic Data

Andreev-Kingkade approximation for a0

Description

This function wraps the two approximations for a0 based on either q0 (IMR) or m0.

Usage

lt_rule_1a0_ak(M0 = NULL, q0 = NULL, Sex)

Arguments

M0	a value or vector of values of '1m0“, the death risk in the first year of life.
q0	a value or vector of values of '1q0“, the death probability in the first year of life, sometimes approximated with IMR.
Sex	either "m" or "f"

Value

a0, the estimated average age at death of those dying in the first year of life, either a single value or a vector of values.

timriffe/DemoTools documentation built on Oct. 14, 2024, 12:53 p.m.