Estimación simultánea de la sensibilidad y la especificidad utilizando la metodología GSK en presencia de covariables
dc.contributor.advisor | Correa Morales, Juan Carlos | |
dc.contributor.author | Pulzara Mora, Jessica Nathaly | |
dc.date.accessioned | 2023-01-27T14:58:31Z | |
dc.date.available | 2023-01-27T14:58:31Z | |
dc.date.issued | 2022 | |
dc.description | ilustraciones, diagramas | spa |
dc.description.abstract | La sensibilidad y especificidad son utilizadas para evaluar el rendimiento de pruebas de diagnóstico en áreas de la medicina tales como epidemiología, psicología, genética, y también existen aplicaciones en finanzas y agronomía. La sensibilidad señala la proporción de casos positivos que son bien detectados por la prueba, en otras palabras, la sensibilidad mide la efectividad de la prueba cuando se usa en individuos positivos, mientras que la especificidad señala la proporción de casos negativos que son bien detectados por la prueba, es decir, mide la efectividad de la prueba cuando se usa en individuos negativos. Para la estimación de ambas cantidades varios autores han propuesto diferentes métodos tales como la prueba “estándar de oro”, aproximación bayesiana, máxima verosimilitud, o por medio de modelos logísticos. Sin embargo, éstas pruebas solo dan estimaciones de tipo marginal. En el presente trabajo se desarrolla un procedimiento para estimar de forma simultánea la sensibilidad y la especificidad utilizando la metodología GSK en presencia de covariables. (Texto tomado de la fuente) | spa |
dc.description.abstract | Sensitivity and specificity are used to evaluate the performance of diagnostic tests in areas of medicine such as epidemiology, psychology, genetics, and there are also applications in finance and agronomy. Sensitivity indicates the proportion of positive cases that are well detected by the test, in other words, it measures how the test is effective when used on positive individuals, while specificity indicates the proportion of negative cases that are well detected by the test; that is, it measures how the test is effective when used on negative individuals. For the estimation of both quantities several authors have proposed different methods such as the “gold standard” test, Bayesian approximation, maximum likelihood, or by means of logistic models. However, these tests only give marginal estimates. In this paper, a procedure is developed to simultaneously estimate sensitivity and specificity using the GSK methodology in the presence of covariates. | eng |
dc.description.curriculararea | Área Curricular Estadística | spa |
dc.description.degreelevel | Maestría | spa |
dc.description.degreename | Magíster en Ciencias - Estadística | spa |
dc.format.extent | xiii, 82 páginas | spa |
dc.format.mimetype | application/pdf | spa |
dc.identifier.instname | Universidad Nacional de Colombia | spa |
dc.identifier.reponame | Repositorio Institucional Universidad Nacional de Colombia | spa |
dc.identifier.repourl | https://repositorio.unal.edu.co/ | spa |
dc.identifier.uri | https://repositorio.unal.edu.co/handle/unal/83164 | |
dc.language.iso | spa | spa |
dc.publisher | Universidad Nacional de Colombia | spa |
dc.publisher.branch | Universidad Nacional de Colombia - Sede Medellín | spa |
dc.publisher.faculty | Facultad de Ciencias | spa |
dc.publisher.place | Medellín, Colombia | spa |
dc.publisher.program | Medellín - Ciencias - Maestría en Ciencias - Estadística | spa |
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dc.rights.accessrights | info:eu-repo/semantics/openAccess | spa |
dc.rights.license | Atribución-NoComercial-SinDerivadas 4.0 Internacional | spa |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/4.0/ | spa |
dc.subject.ddc | 510 - Matemáticas::519 - Probabilidades y matemáticas aplicadas | spa |
dc.subject.lemb | Estadística | spa |
dc.subject.proposal | Pruebas diagnósticas | spa |
dc.subject.proposal | Metodología GSK | spa |
dc.subject.proposal | Sensibilidad | spa |
dc.subject.proposal | Especificidad | spa |
dc.subject.proposal | Diagnostic tests | eng |
dc.subject.proposal | Sensitivity | eng |
dc.subject.proposal | Specificity | eng |
dc.subject.proposal | Statistics | eng |
dc.subject.proposal | GSK methodology | eng |
dc.title | Estimación simultánea de la sensibilidad y la especificidad utilizando la metodología GSK en presencia de covariables | spa |
dc.title.translated | Simultaneous estimation of sensitivity and specificity using the GSK methodology in the presence of covariates | eng |
dc.type | Trabajo de grado - Maestría | spa |
dc.type.coar | http://purl.org/coar/resource_type/c_bdcc | spa |
dc.type.coarversion | http://purl.org/coar/version/c_ab4af688f83e57aa | spa |
dc.type.content | Text | spa |
dc.type.driver | info:eu-repo/semantics/masterThesis | spa |
dc.type.redcol | http://purl.org/redcol/resource_type/TM | spa |
dc.type.version | info:eu-repo/semantics/acceptedVersion | spa |
dcterms.audience.professionaldevelopment | Estudiantes | spa |
dcterms.audience.professionaldevelopment | Investigadores | spa |
oaire.accessrights | http://purl.org/coar/access_right/c_abf2 | spa |
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