Σύγκριση μεθόδων

	Εύρωστη Παλινδρόμηση Poisson	Γενικευμένο Γραμμικό Μοντέλο (GLM)
Πεδίο	Στατιστική	Στατιστική
Οικογένεια	Regression model	Regression model
Έτος προέλευσης	2004	1972
Δημιουργός	Guangyong Zou	John A. Nelder & Robert W. M. Wedderburn
Τύπος	GLM with robust variance	Regression framework
Θεμελιώδης πηγή	Zou, G. (2004). A modified Poisson regression approach to prospective studies with binary data. American Journal of Epidemiology, 159(7), 702-706.	Nelder, J. A., & Wedderburn, R. W. M. (1972). Generalized linear models. Journal of the Royal Statistical Society: Series A (General), 135(3), 370–384.
Εναλλακτικές ονομασίες	modified Poisson regression, Poisson regression with robust standard errors, log-binomial alternative, sandwich-variance Poisson	GLM, generalized regression, exponential family regression, link-function model
Συναφείς	5	6
Σύνοψη	Robust Poisson regression fits a Poisson log-linear model to a binary outcome but replaces the model-based variance with the empirical sandwich estimator. This yields valid standard errors and risk ratios even though Poisson variance assumptions are technically violated for binary data. The approach, popularized by Zou (2004), is widely used in epidemiology as a numerically stable alternative to log-binomial regression.	The Generalized Linear Model is a unified regression framework that extends ordinary linear regression to outcomes from the exponential family — including binary, count, proportion, and continuous positive outcomes. A link function connects the linear predictor to the mean of the response, enabling principled modelling beyond the Gaussian case.