Artículo
Influence Analysis on Discriminant Coordinates
Autor/es | Muñoz Pichardo, Juan Manuel
Enguix González, Alicia Muñoz García, Joaquín Moreno Rebollo, Juan Luis |
Departamento | Universidad de Sevilla. Departamento de Estadística e Investigación Operativa |
Fecha de publicación | 2011-03-16 |
Fecha de depósito | 2023-03-10 |
Publicado en |
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Resumen | Discriminant analysis (DA), particularly Discriminant Coordinates (DC), is broadly applied in the scientific literature and included in many statistical software packages. DC is used to analyze biomedical data, especially ... Discriminant analysis (DA), particularly Discriminant Coordinates (DC), is broadly applied in the scientific literature and included in many statistical software packages. DC is used to analyze biomedical data, especially for differential diagnosis on the basis of laboratory profiles. Articles handling influence analysis in DA can be found in the literature; however, this topic has been scarcely touched upon in DC. In this article, the case-deletion approach is followed to introduce a perturbation in the data and influence measures are proposed to assess the effect on three statistics of interest: the transformation matrix, canonical directions, and configuration, of the sample centroids. |
Cita | Muñoz Pichardo, J.M., Enguix González, A., Muñoz García, J. y Moreno Rebollo, J.L. (2011). Influence Analysis on Discriminant Coordinates. Communications in Statistics—Simulation and Computation, 40 (6), 793-807. https://doi.org/10.1080/03610918.2011.556288. |
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