The objective of this research is to solve a scheduling problem using memetic algorithms which solve problems with a large number of variables and constraints. This method can be applied to different scheduling problems ...

Nowdays throw due to the continuous advance of technology, statisticians have been facing the need to develop new methods to extract meaningful information quickly and efficiently in large data sets, such as functional ...

El uso de los sistemas de cómputo, permitido el mejor acondicionamiento de las predicciones que se realizan de los fenómenos atmosféricos. Sin embargo, aún este tipo de predicciones es un reto que se les presenta a la ...

Economic cycles provide the best monthly economic indicators of a country, both on the long and short term scale. For this reason it is necessary that the cycles model the economy to the most optimal degree possible. This ...

Several findings in this research could be relevant to decision making by government agencies of Puerto Rico. This decision making depends on knowledge of the social, educational and economic aspects of the municipalities. ...

There are many situations in which random variables involving some kind of percentage, ratio, or fraction. Many studies have shown that linear regression models are not appropriate to model this type of data. However, the ...

The Martin-Quinn Scores is a method developed by Andrew D. Martin and Kevin M. Quinn that predicts the ideology of the United States Supreme Court. In general, this method is a liberal/conservative scale of one dimension. ...

We obtained data from 6,924 freshmen admitted to the University of Puerto Rico at Mayagüez since 2005 to 2007. For each one of these students we registered information about the following variables: Type of high school ...

Let $\Omega\subseteq\mathbb{R\!}^N$ be a bounded Lipschitz domain, for $N\geq3$. We investigate the solvability and regularity of a class of quasi-linear elliptic equations involving the anisotropic $\overset{\rightarrow ...

In recent years, technological advances have resulted in a huge increment in data production as in the evolution of methods that facilitated its collection. The data that arrive continuously and massively with infinite ...