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	बायेसियन वेटेड लीस्ट स्क्वेयर्स (Bayesian Weighted Least Squares - Bayesian WLS)	बेयसियन ओएलएस (बेयसियन ऑर्डिनरी लीनियर रिग्रेशन)
क्षेत्र	अर्थमिति	अर्थमिति
परिवार	Regression model	Regression model
उद्भव वर्ष	1971	1971
प्रवर्तक	Arnold Zellner (Bayesian econometrics framework)	Arnold Zellner
प्रकार	Bayesian weighted regression	Bayesian linear regression
मौलिक स्रोत	Zellner, A. (1971). An Introduction to Bayesian Inference in Econometrics. Wiley, New York. ISBN: 978-0471169376	Zellner, A. (1971). An Introduction to Bayesian Inference in Econometrics. Wiley. ISBN: 978-0471169376
उपनाम	Bayesian weighted regression, BWLS, Bayesian heteroscedastic regression, weighted Bayesian linear regression	Bayesian linear regression, Bayesian normal regression, BLR, Bayesian least squares
संबंधित	4	5
सारांश	Bayesian Weighted Least Squares combines the classical WLS weighting scheme — which downweights observations with high error variance — with Bayesian prior distributions over the regression coefficients and error variance. The result is a posterior distribution that reflects both the data likelihood and prior beliefs, providing full uncertainty quantification in heteroscedastic settings.	Bayesian OLS combines the classical linear regression likelihood with prior distributions over the coefficients and error variance. Rather than reporting point estimates, it produces full posterior distributions that quantify both estimated effects and their uncertainty. The approach is especially valuable when prior knowledge is available or when samples are small.