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math.OC2024
Differentiability and Approximation of Probability Functions under Gaussian Mixture Models
Gonzalo Contador, Pedro Pérez-Aros, Emilio Vilches
In this work, we study probability functions associated with Gaussian mixture models. Our primary focus is on extending the use of spherical radial decomposition for multivariate G…
stat.AP2024
Another reason why normalized gain should continue to be used to analyze concept inventories (and estimate learning rates)
Jairo Navarrete, Valentina Giaconi, Gonzalo Contador +1
A transformation called normalized gain (ngain) has been acknowledged as one of the most common measures of knowledge growth in pretest-posttest contexts in physics education resea…