Cairns, Andrew; Blake, David; Dowd, Kevin; Coughlan, Guy D. - 2008
populations where Poisson noise in the death counts can have a signiflcant
in uence on parameter estimates. The choice of sample … stochastic
processes that drive the age, period and (if present) cohort efiects in each model.
We deflne m(t;x) to be the death … signiflcant noise
in its death counts. To counter this, Cairns et al. (2009) proposed that cohorts with
fewer than 5 observations …