Calculates the beta binomial infection history prior for each individual, taking into account the number of years they could be infected.

infection_history_prior(pars, infection_history, age_mask)

Arguments

pars

the named parameter vector with alpha and beta

infection_history

the infection history matrix

age_mask

the age mask, giving the first index of the infection_history matrix that each individual can be exposed to. One entry per individual

Value

a prior probability for each individual

See also