Statistics

Use of the mean, hot deck and multiple imputation techniques to predict outcome in intensive care unit patients in Colombia

A cohort of intensive care unit (ICU) patients in 20 Colombian ICUs is used to describe the application of three imputation techniques: single, hot deck and multiple imputation. These strategies were used to impute the missing data in the variables …

Effect of Feature Selection on Bagging Classifiers Based on Kernel Density Estimators

A combination of classification rules (classifiers) is known as an Ensemble, and in general it is more accurate than the individual classifiers used to build it. One method to construct an Ensemble is Bagging introduced by Breiman, (1996). This …

Una prueba basada en rachas para simetría alrededor de una mediana específica

Este artículo presenta una prueba, basada en rachas, para simetría de una distribución continua alrededor de su mediana conocida. Estudios de Monte Carlo muestran que, para doce casos de la Familia de Distribuciones Lambda Generalizada (FDLG) las …