stdErr.4p: Standard errors for 4-parameters: r, s, lambda, beta

In vitality: Fitting Routines for the Vitality Family of Mortality Models

Description

Gives the standard errors for the 4 parameter model. Primarily used within vitality.4p.

Usage

  stdErr.4p(r, s, k, u, x1, x2, Ni, pop)

Arguments

r	r value
s	s value
k	lambda value
u	beta value
x1	age 1 (corresponding 1:(t-1) and 2:t)
x2	age 2
Ni	survival fraction
pop	initial population (total population of the study)

Value

standard error for r, s, lambda, beta

Note

if k <= 0, cannot find standard error for k

See Also

vitality.4p

vitality documentation built on May 2, 2019, 9:07 a.m.