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Parameter Estimation in HIV/AIDS Epidemiological Models.
Estimación de parámetros en modelos epidemiológicos de VIH/SIDA.
(2010-07-02)
The validation process of mathematical models that describe practical applications usually implies the estimation of the unknown parameters that are involved. In this work, in order to estimates these parameters in the ...
Principal Component and Regression Analysis for Categorical Data.Application to Arterial Hypertension.
Análisis de Componentes Principales y Análisis de Regresión para Datos Categóricos. Aplicación en la Hipertensión Arterial.
(2010-07-02)
The present work is about the statistical processing of categorical data. The mathematical details of the Categorical Principal Components and the Categorical Regression Analysis are explained.The combination of both ...
Simulated Annealing–Golden section algorithm for the multiproduct replenishment problem with stochastic demand.
Algoritmo recocido simulado–sección dorada para el problema de reaprovisionamiento multiproducto con demanda estocástica
(2010-07-02)
The joint replenishment problem (JRP) has been studied for over 30 years and there are both heuristic and exact algorithms to determine the frequency of orders and fundamental cycle; in recent years ithas been considered ...
Structural Change Analysis in Linear Regression Model.
Análisis del cambio estructural en el modelo de regresión lineal.
(2010-07-02)
Assuming that the observations are from normal distribution we obtain de distribution of the maximum likelihood ratio test if there is a change in the parameters at an unknown time and we find the maximum likehood estimators ...
An Alternative to Chaid Segmentation Algorithm Based on Entropy.
Una Alternativa al Algoritmo Chaid de Segmentación Basada en Entropía.
(2010-07-02)
The CHAID (Chi-Squared Automatic Interaction Detection) treebased segmentation technique has been found to be an effective approach for obtaining meaningful segments that are predictive of a K-category (nominal or ordinal) ...
Limit Theorems in Bellman–Harris Processes with Finites Second Moments
Teoremas Límites en Procesos de Bellman–Harris con Segundos Momentos Finitos
(2010-07-02)
In this article are studied different theorems limits in a criticalBellman-Harris branching process with a only type of particle and with finite second moments. There were used two processes in order to figure out the ...