Published

2023-01-01

μσ2-Beta and μσ2-Beta Binomial Regression Models

Modelos de regresión μσ2-Beta y μσ2-Beta binomial

DOI:

https://doi.org/10.15446/rce.v46n1.105335

Keywords:

Bayesian methods, Mean and variance, Beta binomial distributions, Beta distribution (en)
Media y varianza, Distribución beta, Distribución beta binomial, Métodos bayesianos (es)

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Authors

  • Edilberto Cepeda-Cuervo Universidad Nacional de Colombia

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.

Este artículo propone nuevas parametrizaciones de las distribuciones beta y beta binomial como funciones de los parámetros de media y varianza. A partir de estas nuevas parametrizaciones, se formulan nuevos modelos de regresión lineal beta y beta binomial asumiendo que funciones reales apropiadas de la media y la varianza siguen estructuras de regresión lineal. Estos modelos se ajustaron a conjuntos de datos reales mediante la aplicación de métodos bayesianos, utilizando el software OpenBUGS. Los nuevos modelos de regresión beta se ajustaron al conjunto de datos de precisión de lectura de niños con dislexia y los nuevos modelos de regresión beta binomial se aplicaron al conjunto de datos de ausentismo escolar. En ambos casos, los resultados obtenidos ajustando estos modelos se compararon con los obtenidos ajustando los modelos habituales de regresión beta de media y dispersión y los modelos de regresión beta binomial de media y dispersión, respectivamente.

References

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Cepeda-Cuervo, E. & Cifuentes-Amado, M. V. (2017), 'Double generalized betabinomial and negative binomial regression models', Revista Colombiana de Estadística (40), 141-163. DOI: https://doi.org/10.15446/rce.v40n1.61779

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How to Cite

APA

Cepeda-Cuervo, E. (2023). μσ2-Beta and μσ2-Beta Binomial Regression Models. Revista Colombiana de Estadística, 46(1), 63–79. https://doi.org/10.15446/rce.v46n1.105335

ACM

[1]
Cepeda-Cuervo, E. 2023. μσ2-Beta and μσ2-Beta Binomial Regression Models. Revista Colombiana de Estadística. 46, 1 (Jan. 2023), 63–79. DOI:https://doi.org/10.15446/rce.v46n1.105335.

ACS

(1)
Cepeda-Cuervo, E. μσ2-Beta and μσ2-Beta Binomial Regression Models. Rev. colomb. estad. 2023, 46, 63-79.

ABNT

CEPEDA-CUERVO, E. μσ2-Beta and μσ2-Beta Binomial Regression Models. Revista Colombiana de Estadística, [S. l.], v. 46, n. 1, p. 63–79, 2023. DOI: 10.15446/rce.v46n1.105335. Disponível em: https://revistas.unal.edu.co/index.php/estad/article/view/105335. Acesso em: 19 apr. 2024.

Chicago

Cepeda-Cuervo, Edilberto. 2023. “μσ2-Beta and μσ2-Beta Binomial Regression Models”. Revista Colombiana De Estadística 46 (1):63-79. https://doi.org/10.15446/rce.v46n1.105335.

Harvard

Cepeda-Cuervo, E. (2023) “μσ2-Beta and μσ2-Beta Binomial Regression Models”, Revista Colombiana de Estadística, 46(1), pp. 63–79. doi: 10.15446/rce.v46n1.105335.

IEEE

[1]
E. Cepeda-Cuervo, “μσ2-Beta and μσ2-Beta Binomial Regression Models”, Rev. colomb. estad., vol. 46, no. 1, pp. 63–79, Jan. 2023.

MLA

Cepeda-Cuervo, E. “μσ2-Beta and μσ2-Beta Binomial Regression Models”. Revista Colombiana de Estadística, vol. 46, no. 1, Jan. 2023, pp. 63-79, doi:10.15446/rce.v46n1.105335.

Turabian

Cepeda-Cuervo, Edilberto. “μσ2-Beta and μσ2-Beta Binomial Regression Models”. Revista Colombiana de Estadística 46, no. 1 (January 18, 2023): 63–79. Accessed April 19, 2024. https://revistas.unal.edu.co/index.php/estad/article/view/105335.

Vancouver

1.
Cepeda-Cuervo E. μσ2-Beta and μσ2-Beta Binomial Regression Models. Rev. colomb. estad. [Internet]. 2023 Jan. 18 [cited 2024 Apr. 19];46(1):63-79. Available from: https://revistas.unal.edu.co/index.php/estad/article/view/105335

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