Published

1999-01-01

A comment about estimable functions in linear models with non estimable constraints

Keywords:

Estadística matemática, Modelos lineales (Estadística), Funciones estimables (es)

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Authors

  • Fabio Humberto Nieto Universidad Nacional de Colombia
In the Searle's (1987) book, Linear Models for Unbalanced Data, a characterization of the estimable functions in linear models with non estimable constraints is presented. In this informal paper, I indicate another characterization of these functions which was developed by Magnus and Neudecker (1988). The aim of the articte is to provide a caution signal to user of linear models theory.

How to Cite

APA

Nieto, F. H. (1999). A comment about estimable functions in linear models with non estimable constraints. Revista Colombiana de Estadística, 22(2). https://revistas.unal.edu.co/index.php/estad/article/view/10169

ACM

[1]
Nieto, F.H. 1999. A comment about estimable functions in linear models with non estimable constraints. Revista Colombiana de Estadística. 22, 2 (Jan. 1999).

ACS

(1)
Nieto, F. H. A comment about estimable functions in linear models with non estimable constraints. Rev. colomb. estad. 1999, 22.

ABNT

NIETO, F. H. A comment about estimable functions in linear models with non estimable constraints. Revista Colombiana de Estadística, [S. l.], v. 22, n. 2, 1999. Disponível em: https://revistas.unal.edu.co/index.php/estad/article/view/10169. Acesso em: 21 apr. 2025.

Chicago

Nieto, Fabio Humberto. 1999. “A comment about estimable functions in linear models with non estimable constraints”. Revista Colombiana De Estadística 22 (2). https://revistas.unal.edu.co/index.php/estad/article/view/10169.

Harvard

Nieto, F. H. (1999) “A comment about estimable functions in linear models with non estimable constraints”, Revista Colombiana de Estadística, 22(2). Available at: https://revistas.unal.edu.co/index.php/estad/article/view/10169 (Accessed: 21 April 2025).

IEEE

[1]
F. H. Nieto, “A comment about estimable functions in linear models with non estimable constraints”, Rev. colomb. estad., vol. 22, no. 2, Jan. 1999.

MLA

Nieto, F. H. “A comment about estimable functions in linear models with non estimable constraints”. Revista Colombiana de Estadística, vol. 22, no. 2, Jan. 1999, https://revistas.unal.edu.co/index.php/estad/article/view/10169.

Turabian

Nieto, Fabio Humberto. “A comment about estimable functions in linear models with non estimable constraints”. Revista Colombiana de Estadística 22, no. 2 (January 1, 1999). Accessed April 21, 2025. https://revistas.unal.edu.co/index.php/estad/article/view/10169.

Vancouver

1.
Nieto FH. A comment about estimable functions in linear models with non estimable constraints. Rev. colomb. estad. [Internet]. 1999 Jan. 1 [cited 2025 Apr. 21];22(2). Available from: https://revistas.unal.edu.co/index.php/estad/article/view/10169

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Copyright (c) 1999 Revista Colombiana de Estadística

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