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2022-07-01

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UNDERSTANDING A LIKELIHOOD FLAT PROBLEM: INFERENCES ON THE RATIO OF REGRESSION COEFFICIENTS IN LINEAR MODELS

ENTENDIENDO UN PROBLEMA DE VEROSIMILITUD PLANA: INFERENCIAS SOBRE EL COCIENTE DE COEFICIENTES DE REGRESIÓN EN MODELOS LINEALES

DOI:

https://doi.org/10.15446/rev.fac.cienc.v11n2.97782

Palabras clave:

Shape of the likelihood function; nested models; linear regression model; profile likelihood function. (en)
Forma de la función de verosimilitud; modelos anidados; modelo de regresión lineal; función de verosimilitud perfil. (es)

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Autores/as

  • Jorge Espindola Zepeda Universidad de Sonora, México
  • José A. Montoya Universidad de Sonora, México
In this paper, we analyze a flat likelihood function shape that arises when performing inferences on the ratio of two regression coefficients in a linear regression model, parameter of interest in various applications. Due to this shape, infinite length likelihood-confidence intervals can be obtained. In the cases discussed here these likelihood-confidence intervals are related to the nested models problem, which is analyzed in detail through three illustrative simulated cases. It is essential to understand the shapes of the likelihood function in order to legitimately criticize likelihood inferences. This is of particular importance since the likelihood function is a key ingredient used in many inference methods

En este artículo analizamos una forma plana de la función de verosimilitud que surge cuando se realizan inferencias sobre la razón de dos coeficientes de regresión, en un modelo lineal.  Debido a esta forma pueden obtenerse intervalos de verosimilitud-confianza de longitud infinita. En los casos que se discuten aquí, estos intervalos de verosimilitud-confianza están relacionados con el problema de modelos anidados. Es fundamental comprender las formas de la función de verosimilitud para criticar de manera legítima las inferencias por verosimilitud. Esto es de particular importancia ya que la función de verosimilitud es un ingrediente clave utilizado en muchos métodos inferenciales

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Cómo citar

APA

Espindola Zepeda, J. . y Montoya, J. A. (2022). UNDERSTANDING A LIKELIHOOD FLAT PROBLEM: INFERENCES ON THE RATIO OF REGRESSION COEFFICIENTS IN LINEAR MODELS. Revista de la Facultad de Ciencias, 11(2), 25–38. https://doi.org/10.15446/rev.fac.cienc.v11n2.97782

ACM

[1]
Espindola Zepeda, J. y Montoya, J.A. 2022. UNDERSTANDING A LIKELIHOOD FLAT PROBLEM: INFERENCES ON THE RATIO OF REGRESSION COEFFICIENTS IN LINEAR MODELS. Revista de la Facultad de Ciencias. 11, 2 (ago. 2022), 25–38. DOI:https://doi.org/10.15446/rev.fac.cienc.v11n2.97782.

ACS

(1)
Espindola Zepeda, J. .; Montoya, J. A. UNDERSTANDING A LIKELIHOOD FLAT PROBLEM: INFERENCES ON THE RATIO OF REGRESSION COEFFICIENTS IN LINEAR MODELS. Rev. Fac. Cienc. 2022, 11, 25-38.

ABNT

ESPINDOLA ZEPEDA, J. .; MONTOYA, J. A. UNDERSTANDING A LIKELIHOOD FLAT PROBLEM: INFERENCES ON THE RATIO OF REGRESSION COEFFICIENTS IN LINEAR MODELS. Revista de la Facultad de Ciencias, [S. l.], v. 11, n. 2, p. 25–38, 2022. DOI: 10.15446/rev.fac.cienc.v11n2.97782. Disponível em: https://revistas.unal.edu.co/index.php/rfc/article/view/97782. Acesso em: 30 jul. 2024.

Chicago

Espindola Zepeda, Jorge, y José A. Montoya. 2022. «UNDERSTANDING A LIKELIHOOD FLAT PROBLEM: INFERENCES ON THE RATIO OF REGRESSION COEFFICIENTS IN LINEAR MODELS». Revista De La Facultad De Ciencias 11 (2):25-38. https://doi.org/10.15446/rev.fac.cienc.v11n2.97782.

Harvard

Espindola Zepeda, J. . y Montoya, J. A. (2022) «UNDERSTANDING A LIKELIHOOD FLAT PROBLEM: INFERENCES ON THE RATIO OF REGRESSION COEFFICIENTS IN LINEAR MODELS», Revista de la Facultad de Ciencias, 11(2), pp. 25–38. doi: 10.15446/rev.fac.cienc.v11n2.97782.

IEEE

[1]
J. . Espindola Zepeda y J. A. Montoya, «UNDERSTANDING A LIKELIHOOD FLAT PROBLEM: INFERENCES ON THE RATIO OF REGRESSION COEFFICIENTS IN LINEAR MODELS», Rev. Fac. Cienc., vol. 11, n.º 2, pp. 25–38, ago. 2022.

MLA

Espindola Zepeda, J. ., y J. A. Montoya. «UNDERSTANDING A LIKELIHOOD FLAT PROBLEM: INFERENCES ON THE RATIO OF REGRESSION COEFFICIENTS IN LINEAR MODELS». Revista de la Facultad de Ciencias, vol. 11, n.º 2, agosto de 2022, pp. 25-38, doi:10.15446/rev.fac.cienc.v11n2.97782.

Turabian

Espindola Zepeda, Jorge, y José A. Montoya. «UNDERSTANDING A LIKELIHOOD FLAT PROBLEM: INFERENCES ON THE RATIO OF REGRESSION COEFFICIENTS IN LINEAR MODELS». Revista de la Facultad de Ciencias 11, no. 2 (agosto 4, 2022): 25–38. Accedido julio 30, 2024. https://revistas.unal.edu.co/index.php/rfc/article/view/97782.

Vancouver

1.
Espindola Zepeda J, Montoya JA. UNDERSTANDING A LIKELIHOOD FLAT PROBLEM: INFERENCES ON THE RATIO OF REGRESSION COEFFICIENTS IN LINEAR MODELS. Rev. Fac. Cienc. [Internet]. 4 de agosto de 2022 [citado 30 de julio de 2024];11(2):25-38. Disponible en: https://revistas.unal.edu.co/index.php/rfc/article/view/97782

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