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dc.contributor.authorGarcia Cruz, Ehidy Karime
dc.contributor.authorCastro Silva, Hugo Fernando
dc.contributor.authorSalazar Uribe, Juan Carlos
dc.coverage.spatialColombiaen_US
dc.date.accessioned2025-10-09T13:28:58Z
dc.date.available2025-10-09T13:28:58Z
dc.date.issued2020-02-12
dc.identifier.issn0122-820Xen_US
dc.identifier.urihttps://repositorioinstitucional.ufpso.edu.co/xmlui/handle/20.500.14167/5699
dc.description.abstractLos modelos matemáticos han sido usados para describir la relación entre dos o más variables o características de la población objetivo. En el campo de la estadística el modelo de regresión lineal simple han sido aplicados ampliamente y sus propiedades son bien conocidas. Sin embargo, este tipo de modelos no tiene aplicación en algunos casos como en el escenario longitudinal. Los modelos lineales mixtos (LMMs) son de utilidad cuando las medidas han sido registradas en un intervalo de tiempo. Uno de los más importantes supuestos, para los dos modelos, ha sido el establecer que el modelo se mantiene invariante sobre todo el intervalo de regresión. En caso contrario, se puede encontrar uno o varios puntos de cambio en los cuales el modelo cambia (media, varianza o simultáneamente media - varianza). Esta propuesta permite estimar los puntos de cambio sujeto-específicos que permiten la minimización de una función de riesgo o pérdida asociada al modelo en mención.en_US
dc.language.isoengen_US
dc.relationhttps://revistas.ufps.edu.co/index.php/respuestas/article/view/2678en_US
dc.titleEstimación de puntos de cambio para modelos lineales mixtos: una solución usando algoritmos evolutivosen_US
dc.title.translatedIdentifying change points for linear mixed models: a solution through evolutionary algorithmsen_US
dc.contributor.cvlacEhidy Karime Garcia Cruz [0000430439]en_US
dc.contributor.cvlacHugo Fernando Castro Silva [0001388686]en_US
dc.contributor.cvlacJuan Carlos Salazar Uribe [0000063509]en_US
dc.contributor.googlescholarHugo Fernando Castro Silva [vxtjgAoAAAAJ]en_US
dc.contributor.googlescholarJuan Carlos Salazar Uribe [7epKVSUAAAAJ]en_US
dc.contributor.orcidEhidy Karime Garcia Cruz [0000-0003-0034-7162]en_US
dc.contributor.orcidHugo Fernando Castro Silva [0000-0001-6020-402X]en_US
dc.contributor.orcidJuan Carlos Salazar Uribe [0000-0003-2286-3627]en_US
dc.contributor.researchgateEhidy Karime Garcia Cruz [Ehidy-Garcia-Cruz]en_US
dc.contributor.researchgateHugo Fernando Castro Silva [Hugo-Castro-Silva]en_US
dc.contributor.researchgateJuan Carlos Salazar Uribe [Juan-Salazar-Uribe]en_US
dc.contributor.scopusHugo Fernando Castro Silva [57205121211]en_US
dc.contributor.scopusJuan Carlos Salazar Uribe [55366859500]en_US
dc.description.abstractenglishMathematical models are used to describe the relationship between two or more variables or features over the target population. Statistically, Simple Linear regression model has been extensively applied and the properties of their estimators are well known. However, this kind of model is not correctly applied in most cases, such as a longitudinal setting. Linear mixed models (LMMs) are useful when the measurements have been done over a specific interval of time. One of the most important assumptions, on both models, has been established as that the model holds for the whole data. In latter case, we could find one or several points which the function changes into. This proposal allows us to estimate the points where the model changes by minimizing a specific risk function or a loss function associated with the fitted model.en_US
dc.subject.proposalModelos Lineales mixtosen_US
dc.subject.proposalpunto de cambioen_US
dc.subject.proposalAlgoritmos evolutivosen_US
dc.subject.keywordsLinear Mixed Modelsen_US
dc.subject.keywordsChange pointsen_US
dc.subject.keywordsEvolutionary Algorithmsen_US
dc.publisher.facultyFacultad ingenieríasen_US
dc.type.redcolhttp://purl.org/redcol/resource_type/ARTen_US
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dc.identifier.DOIhttps://doi.org/10.22463/0122820X.2678en_US


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