SurvFn.ku {vitality}

The cumulative survival distribution function for 4-parameter vitality model

Description

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

Usage

  SurvFn.ku(xx, r, s, k, u)

Arguments

xx

vector of ages

r

r value

s

s value

k

k value

u

u value

Details

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

Value

cumulative survival proportions at xx

See Also

vitality.ku, survProbInc.ku