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	Regresja Poissona Bayesa	Bayesowska regresja ujemna dwumianowa
Dziedzina	Statystyka	Statystyka
Rodzina	Regression model	Regression model
Rok powstania	1989 (GLM foundation); Bayesian treatment formalized in 1990s–2000s	1990s–2000s
Twórca	Gelman et al. (BDA); classical Poisson GLM from McCullagh & Nelder (1989)	Gelman, Carlin, Stern, Dunson, Vehtari & Rubin; Cameron & Trivedi
Typ	Bayesian generalized linear model for count data	Bayesian GLM for overdispersed counts
Źródło pierwotne	Gelman, A., Carlin, J. B., Stern, H. S., Dunson, D. B., Vehtari, A., & Rubin, D. B. (2013). Bayesian Data Analysis (3rd ed.). CRC Press. ISBN: 978-1439840955	Gelman, A., Carlin, J. B., Stern, H. S., Dunson, D. B., Vehtari, A., & Rubin, D. B. (2013). Bayesian Data Analysis (3rd ed.). CRC Press. ISBN: 978-1439840955
Inne nazwy	Bayesian log-linear count model, Bayesian GLM Poisson, Poisson regression with priors, Bayesian count regression	Bayesian NB regression, Bayesian negbin model, Bayesian overdispersed count regression, Bayesian NB-2 model
Pokrewne	6	6
Podsumowanie	Bayesian Poisson regression models non-negative integer count outcomes using a Poisson likelihood with a log link, placing prior distributions on the regression coefficients. Posterior inference — combining prior beliefs with the data likelihood — produces full probability distributions over the coefficients rather than single-point estimates, enabling coherent uncertainty quantification and incorporation of domain knowledge.	Bayesian Negative Binomial Regression models non-negative integer count outcomes that exhibit overdispersion — where the variance exceeds the mean — by placing a negative binomial likelihood on the data and specifying prior distributions over the regression coefficients and the dispersion parameter. Posterior inference is typically performed via Markov chain Monte Carlo (MCMC) or variational methods, yielding full posterior distributions rather than point estimates.