SurvFn.ex.4p {vitality}

The extrinsic cumulative survival distribution function for 2-process 4-parameter vitality model

Description

Gives the cumulative survival proportions at xx from extrinsic process for a given set of parameter values.

Usage

  SurvFn.ex.4p(xx, r, s, lambda, beta)

Arguments

xx

vector of ages

r

r value

s

s value

lambda

lambda value

beta

beta value

Details

Used within vitality.4p for estimating model parameters based on the observed cumulative survival function.

Value

vector of cumulative survival proportions at xx from extrinsic process

See Also

vitality.4p, survProbInc.4p, SurvFn.4p, SurvFn.in.4p