Comparative study of methods to obtain the number of hidden neurons of an auto-encoder in a high-dimensionality context

Authors

Keywords:

High-dimensionality data, Neural Network, Auto-encoder

Abstract

Fourteen formulas from the state-of-art were used in this paper to find the optimal number of neurons in the hidden layer of an autoencoder neural network. The latter is employed to reduce the dataset dimension on high-dimensionality scenarios with not significant reduction in classification accuracy in comparison to the use of the whole dataset. A Deep Learning neural network was employed to analyze the effectiveness of the studied formulas in classification terms (accuracy). Eight high-dimensional datasets were processed in an experimental set in order to assess this proposal. Results presented in this work show that formula 13 (used to find the number of hidden neurons of the auto-encoder) is effective to reduce the data dimensionality without a statistically significant reduction of the classification performance, as it was confirmed by the Freidman test and the Holm's post-hoc test.  

Author Biographies

Roberto Alejo, Tecnológico Nacional de México

 Full Professor

Division of Graduate Studies and Research

Campus: Technological Institute of Toluca

National Technology of Mexico

Hector Ricardo Vega-Gutiérrez, Tecnológico Nacional de México / IT Toluca

Estudiante de la Maestría en Ciencias de la Ingeniería del Tecnológico Nacional de México / IT Toluca

Carlos Mauricio Castorena, Tecnológico Nacional de México / IT Toluca

Estudiante de la Maestría en Ciencias de la Ingeniería del Tecnológico Nacional de México / IT Toluca

Everardo Efrén Granda-Gutierrez, Universidad Autónoma del Estado de México / CU UAEM Atlacomulco

Profesor investigador en la Universidad Autónoma del Estado de México / CU UAEM Atlacomulco

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Published

2021-01-07
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