Facultad de Estadística
Recent Submissions
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Desarrollo de modelo Bayesiano jerárquico de mezcla con número de componentes aleatorio para cuantificar el riesgo de suscripción en seguros de no vida
(Universidad Santo TomásMaestría Estadística AplicadaFacultad de Estadística, 2021-07-16)The purpose of this project is developmenting a fully Bayesian hierarchical mixture model with a random number of components, in order to quantify the risk of subscription in non-life insurance. Subscription risk from the ... -
Implementación de Metodologías Estadísticas para Pronósticos de Vivienda en Bogotá
(Universidad Santo TomásRregrado estadísticaFacultad de estadística, 2021-07-12)The acquisition of housing has been something essential for miles of years, since humans stopped being nomads and decided to settle in a specific place, additionally with the capitalist system the houses stopped being only ... -
Evaluación de un programa orientado a promover el desarrollo de competencias ciudadanas y emocionales en instituciones educativas.
(Universidad Santo TomásMaestría Estadística AplicadaFacultad de Estadística, 2021-07-06)Evaluating interventions in the social sector is a felt need by the funders to verify the effectiveness of their contributions, by the population involved to verify that their effort is compensated and by the coordinating ... -
Análisis multivariado y de regresión logística para la detección de jugadores promesas del futbol
(Universidad Santo TomásRregrado estadísticaFacultad de estadística, 2021-06-24)The use of statistics applied to football is becoming more conventional and used by renowned teams around the world, although many argue that the use of analytics takes away the excitement of sports, others think that it ... -
Mecanismos de atención e interpretabilidad en el aprendizaje automático para la detección de enfermedades oculares a través del uso de tomografías
(Universidad Santo TomásPregrado EstadísticaFacultad de Estadística, 2021-02-04)Deep learning is here to stay for a long time; thus, in recent years, as a result of the development of artificial intelligence, it has been applied in several areas of knowledge, mainly in the health sciences. Faced with ... -
Modelamiento de redes sociales múltiples
(Universidad Santo TomásMaestría Estadística AplicadaFacultad de Estadística, 2021-01-20)In this work, we propose a statistical model to simultaneously characterize two or more social networks, where the same set of actors interact with each other. In addition to investigate ties within networks, the proposed ... -
Una aplicación de redes neuronales artificiales para el pronostico de los rendimientos de la serie de Ecopetrol
(Universidad Santo TomásPregrado EstadísticaFacultad de Estadística, 2021-01-20)This work proposes a model based on recurrent neural networks (RNN) to forecast the performance of Ecopetrol, which is one of the most successful actions in the country. Various configurations of RNN are studied, including ... -
Brecha de género en programas de formación en Estadística en Colombia entre los años 2007-2018
(Universidad Santo TomásPregrado EstadísticaFacultad de Estadística, 2021-01-19)One of the problems in higher education in Colombia is the existence of gender gaps, these can be observed either by career or by the region in which it is offered, it can also be affected by the level of training to which ... -
Comparación de modelos clásicos en series de tiempo y modelos bayesianos para pronosticar tres acciones colombianas en el último año
(Universidad Santo TomásPregrado EstadísticaFacultad de Estadística, 2020-01-21)In this work, it is determined that statistical model is best for forecasting the yields of Colombian financial shares(Ecopetrol S.A (ECO), Grupo Nutresa S.A (NCH) and Banco Davivienda Pf (DVI_p), Models applied to series ... -
Modelo logístico multinomial ordinal para la caracterización del dengue en el departamento del Caquetá entre los años 2012 hasta el 2019
(Universidad Santo TomásPregrado EstadísticaFacultad de Estadística, 2021-01-21)Dengue is a viral disease that affects the vast majority of countries in the tropics and subtropics, being transmitted by the Aedes aegypti mosquito. In the department of Caquetá, being a humid area with a large number of ... -
Procesos puntuales poisson para evaluar la distribución espacial de yacimientos arqueológicos en Colombia
(Universidad Santo TomásPregrado EstadísticaFacultad de Estadística, 2021-01-20)The archeology and the spatial distribution of the different archaeological sites allow to understand the behavior and interaction with the territory of those who occupied it. The present document proposes the identification ... -
Algoritmos de aprendizaje supervisado utilizando datos de monitoreo de condiciones: un estudio para el pronóstico de fallas en máquinas.
(Universidad Santo TomásMaestría Estadística AplicadaFacultad de Estadística, 2020-09-17)This paper provides an overview of some Machine Learning and Deep Learning methods as fundamental tools in detecting potential failures of physical assets using condition monitoring techniques, for this, in the first part ... -
Propuesta metodológica para la construcción de un índice de transformación digital de los clientes en la empresa Enel Codensa con análisis factorial de datos mixto (FAMD)
(Universidad Santo TomásPregrado EstadísticaFacultad de Estadística, 2020-08-01)Digital transformation is one of the most relevant issues in business planning currently, in an increasingly globalized world and with customers interacting more digitally, digital transformation is defi ned as the proper ... -
Acercamiento al comercio entre Colombia y Japón usando técnicas multivariadas para el período enero 2001 diciembre 2018
(Universidad Santo TomásMaestría Estadística AplicadaFacultad de Estadística, 2020-06-26)Japan for being one of the main economies in the world, represents a great opportunity for Colombian exporters, who historically have focused their sights on closer markets such as the US and the European. However, Asia ... -
Diseño y evaluación del efecto de los extractos provenientes de pennisetum purpureum sobre la germinación y crecimiento de la especie forestal cedrela odorata l.
(2019-07-12)This study presents the application of statistical models for the analysis of growth and germination of the species Cedrela Odorata L. It is proposed the adjustment of a linear mixed model for growth and a Poisson linear ... -
Comparacion de dos modelos para predecir la probabilidad deincumplimiento (Modelo Logit-Modelo GAM)
(Universidad Santo TomásPregrado EstadísticaFacultad de Estadística, 2020-01)One of the most important needs of lending institutions is to have reliable criteria to determine who should grant the credit. In this sense, methodologies such as credit granting models should be implemented as a solution ... -
Modelo de curvas de crecimiento: Modelos lineales mixtos vs Datos funcionales
(Universidad Santo TomásPregrado EstadísticaFacultad de Estadística, 2020-01-30)A comparison is made between the use of mixed linear models, explicitly of growth curves for the analysis of longitudinal data against an application of functional data by means of functional ANOVA, we want to show changes ... -
Correlación entre patrones puntuales en tipos de fuentes de captaciones hídricas en Colombia
(Universidad Santo TomásPregrado EstadísticaFacultad de Estadística, 2020-01-30)In the present study, the relationship between two specific processes is spatially analyzed in order to propose a method to identify the correlation between types of water sources throughout Colombia, the data used ... -
Identificación del modelo TAR cuando el proceso de ruido sigue una distribución generalizada del error y verificación empírica de la estimación de los parámetros
(2020-02-19)This paper considers the identification of autoregressive orders of the TAR (Threshold AutoRegressive) model assuming the other structural parameters known based in the TAR package of Zhang and Nieto (2017), adapting it ... -
Estimación e imputación de datos faltantes mediante métodos de interpolación espacial para precipitación mensual acumulada en el departamento de Antioquia durante el periodo 2014-2018
(Universidad Santo TomásPregrado EstadísticaFacultad de Estadística, 2020-04-07)Missing values are common in the databases we work on a daily basis, knowing what to do with those missing data is essential, sometimes the immediate solution is to remove the records and lose information that can be of ...
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