Negative Binomial Log-Likelihood

Negative Binomial Log-Likelihood

Usage

log_lik_neg_binom(x, lambda = 1, theta = 0)

Arguments

x

A non-negative whole numeric vector of values.

lambda

A non-negative numeric vector of means.

theta

A non-negative numeric vector of the dispersion for the mixture models (student, gamma-Poisson and beta-binomial).

Value

An numeric vector of the corresponding log-likelihoods.

See also

Other log_lik_dist: log_lik_bern(), log_lik_beta_binom(), log_lik_binom(), log_lik_gamma(), log_lik_gamma_pois(), log_lik_gamma_pois_zi(), log_lik_lnorm(), log_lik_norm(), log_lik_pois(), log_lik_pois_zi(), log_lik_skewnorm(), log_lik_student()

Examples

log_lik_neg_binom(c(0, 1, 2), 2, 1)
#> [1] -1.098612 -1.504077 -1.909543