scale_x

For mortality laws that cover only a portion of the lifespan (e.g., adult
or old-age mortality), the age vector is rescaled so that the minimum age
becomes 1. This improves numerical stability by keeping the exponentiated
terms in the hazard function within a reasonable range.

internal

Fit the most popular human mortality 'laws', and construct
full and abridge life tables given various input indices. A mortality
law is a parametric function that describes the dying-out process of
individuals in a population during a significant portion of their
life spans. For a comprehensive review of the most important mortality
laws see Tabeau (2001) <doi:10.1007/0-306-47562-6_1>.
Practical functions for downloading data from various human mortality
databases are provided as well.

Marius Pascariu

MortalityLaws

Parametric Mortality Models, Life Tables and HMD

Marius D. Pascariu

Vladimir Canudas-Romo

scale_x function

<dl><dt>x</dt>
<dd>A numeric vector of ages.</dd></dl>

Arguments

Scale the age vector for stable optimisation — scale_x

<dl>

<dt>x</dt>
<dd>A numeric vector of ages.</dd>

</dl>

scale_x: Scale the age vector for stable optimisation

Description

Usage

Value

Arguments