Calculates the age-specific probabilities of death due to an external risk using the Heligman-Pollard model.
mod.risk(theta, x)A vector containing values for the 9 parameters of the adapted Heligman-Pollard model.
A vector containing the ages at which to calculate the probabilities of death.
A vector of probabilities of death at ages due to an external risk.
Heligman, L. and Pollard, J.H. (1980). The Age Pattern of Mortality. Journal of the Institute of Actuaries 107:49<U+2013>80.