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Algoritmos para la clasificación piramidal simbólica
(2009-02-19)
En este artículo se define el concepto de pirámide simbólica, además se presentan dos algoritmos para generar este tipo d pirámide a partir de una matriz de datos simbólicos. El primer algoritmo (CAPS) encuentra un "orden ...
El análisis multivariado de datos como herramienta en la exploración de modelos en la comprensión de variables psicológicas
El análisis multivariado de datos como herramienta en la exploración de modelos en la comprensión de variables psicológicas
(2012-04-26)
Psychology, as a behavioral science in a preparadigmathic state, needs the support of theoretical models that validate the constructs that it uses for explaining the phenomena it studies. For sustaining the advances in the ...
Un algoritmo para el entrenamiento de máquinas de vector soporte para regresión
Un algoritmo para el entrenamiento de máquinas de vector soporte para regresión
(2009-02-19)
The aim of the present paper is twofold. Firstly an introduction to the ideas of Support Vector regression is given. then a new and simple algorithm, suggested by the work of Campbell y Cristianini in [16], is proposed ...
Regresión y análisis factoriales
Regresión y análisis factoriales
(2009-02-19)
Some recent developments in factor analysis of multi-sets are introduced in this short course. The more usual factor analyses are based on the singular values de-composition. So, the analyses of two matrices here are ...
An Introduction to Symbolic data Analysis and its Application to the Sodas Project
An Introduction to Symbolic data Analysis and its Application to the Sodas Project
(2012-04-12)
The data descriptions of the units are called "symbolic" when they are more complex than the standard ones due to the fact that they contain internal variation and are structured. Symbolic data happen from many sources, ...
Un algoritmo paralelo para el problema del conjunto independiente
(2009-02-19)
Un conjunto S de vértices de una gráfica G es independiente si no existen dos vértices de S que sean adyacentes, esto es, la subgráfica de G inducida por S no tiene aristas. En este trabajo presentaremos un algoritmo ...
Análisis de proximidades métrico usando búsqueda tabú
Análisis de proximidades métrico usando búsqueda tabú
(2009-02-19)
We apply tabu search (TS) in metric multidimensional scaling, obtaining good results comparable to those obtained with simulated annealing. A state in TS is a configuration of n points in a p dimensional space, and a ...
Grafos destinados al Análisis de datos Multivariante Condicionado por su Estructura
Grafos destinados al Análisis de datos Multivariante Condicionado por su Estructura
(2012-04-26)
We present two new methods for the construction of graphs that can be used with descriptive techniques of Multivariate Data Analysis: a graph based in the chi-square distance and a graph based in strongly-connected components. ...
Spatial interpolation of dry deposition using EOF models
Spatial interpolation of dry deposition using EOF models
(2009-02-19)
Random processes are monitored over space and time by a network of stations distributed across a spatial region. Auxiliary information is often gathered not only at the stations but at other points across the region. The ...
Análisis digital. Una nueva técnica para la representación de funciones acotadas que, en un intervalo finito, satisfacen las condiciones de Dirichlet
Análisis digital. Una nueva técnica para la representación de funciones acotadas que, en un intervalo finito, satisfacen las condiciones de Dirichlet
(2009-02-19)
A new technique is introduced for the approximation of any bounded function f(t) that satisfies Dirichlet's conditions in a finite interval, with a precision as high as wanted. Such approximation in obtained by adding n ...