loglik_ac: Negative lok-likelihood in the age-cohort model
In goepp/hazreg: Hazard Regularized estimation for time-to-event data

Description Usage Arguments Value See Also Examples

Negative lok-likelihood in the age-cohort model

1	loglik_ac(par, O, R)

`par`	parameters of the age-cohort model in the form `c(mu, alpha and beta)`
`O`	Observed events as returned by `exhaustive_stat_2d`
`R`	Time at risk as returned by `exhaustive_stat_2d`

The negative log-likelihood as described in TODO NAME OF REFERENCE SHEET

Other ac_likelihood: hessian_ac, hessian_interaction, score_ac, solver_ac

## Not run: 
J <- 10
K <- 15
set.seed(0)
O <- matrix(rpois(K * J, 2), K, J)
R <- matrix(rpois(K * J, 10), K, J)
par <- rnorm(J + K - 1)
loglik_ac(par, O, R)

## End(Not run)