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µσ² -Beta and µσ² -Beta Binomial Regression Models.
- Source :
-
Colombian Journal of Statistics / Revista Colombiana de Estadística . Jan2023, Vol. 46 Issue 1, p63-79. 17p. - Publication Year :
- 2023
-
Abstract
- This paper proposes new parameterizations of the beta and beta binomial distributions as functions of the mean and variance parameters. From these new parameterizations, new beta and beta binomial linear regression models are formulated by assuming that appropriate real functions of the mean and variance follow linear regression structures. These models were fitted to real datasets by applying Bayesian methods, using the OpenBUGS software. The new beta regression models were fitted to the Dyslexia Reading Accuracy dataset and the new beta binomial regression models were applied to the School Absenteeism Dataset. In both cases, the results obtained by fitting these models were compared with those obtained by fitting the usual mean and dispersion beta regression models and the mean and dispersion beta binomial regression models, respectively. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 01201751
- Volume :
- 46
- Issue :
- 1
- Database :
- Academic Search Index
- Journal :
- Colombian Journal of Statistics / Revista Colombiana de Estadística
- Publication Type :
- Academic Journal
- Accession number :
- 163965846
- Full Text :
- https://doi.org/10.15446/rce.v46n1.105335