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A Theory of Social Comparison Processes
Hypothesis I: There exists, in the human organism, a drive to evaluate his opinions and his abilities. While opinions and abilities may, at first glance, seem to be quite differ...
La certeza de lo impredecible: Cultura Educación y Sociedad en tiempos de COVID19
El año 2020 ha sido sin duda uno que recordaremos como el más desafiante para nuestra generación, si se le observa desde una perspectiva global. Fue el año en que el mundo se co...
van der Waals Volumes and Radii
ADVERTISEMENT RETURN TO ISSUEArticleNEXTvan der Waals Volumes and RadiiA. BondiCite this: J. Phys. Chem. 1964, 68, 3, 441–451Publication Date (Print):March 1, 1964Publication Hi...
Welcome to the Tidyverse
RESUMENEvaluación del efecto de un curso nivelatorio de matemáticas en educación superior: el caso de Matemáticas Básicas La investigación evalúa los efectos de tomar un curso d...
Density-functional approximation for the correlation energy of the inhomogeneous electron gas
Langreth and Mehl (LM) and co-workers have developed a useful spin-density functional for the correlation energy of an electronic system. Here the LM functional is improved in t...
Classification and Regression by randomForest
Recently there has been a lot of interest in “ensemble learning” — methods that generate many classifiers and aggregate their results. Two well-known methods are boosting (see, ...