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	Bayesiansk logistisk regression	Logistisk regression
Ämnesområde	Bayesiansk statistik	Forskningsstatistik
Familj	Bayesian methods	Process / pipeline
Ursprungsår	2008	1958
Upphovsperson	Gelman, Jakulin, Pittau & Su (weakly-informative prior framework, 2008)	David Roxbee Cox
Typ	Bayesian classification model	Method
Ursprungskälla	Gelman, A., Jakulin, A., Pittau, M. G. & Su, Y.-S. (2008). A Weakly Informative Default Prior Distribution for Logistic and Other Regression Models. Annals of Applied Statistics, 2(4), 1360–1383.	Cox, D. R. (1958). The regression analysis of binary sequences. Journal of the Royal Statistical Society, Series B, 20(2), 215–242.
Alias	bayesian binary logistic regression, bayesian classification model, Bayesian Lojistik Regresyon	logit model, binomial logistic regression, LR
Närliggande	3	3
Sammanfattning	Bayesian logistic regression is a classification model that applies Bayesian inference to a logistic (sigmoid) likelihood for binary or multinomial outcomes. Developed within the weakly-informative prior framework formalised by Gelman, Jakulin, Pittau and Su (2008), it places a prior distribution over the coefficients and combines that prior with the data likelihood to yield a full posterior distribution for each parameter — delivering calibrated class probabilities and honest uncertainty even in small samples, rare-event settings, or cases of complete separation where frequentist maximum likelihood estimation collapses.	Logistic regression is a statistical method for modeling the probability of a binary outcome (disease present/absent, success/failure) as a function of continuous and categorical predictors. Developed by David Roxbee Cox (1958), it solves the problem of predicting categorical outcomes by applying a logistic transformation to constrain predictions to the [0,1] probability interval, enabling accurate risk stratification, diagnostic prediction, and causal inference in epidemiology, medicine, and social science.