OmniGA: Optimized Omnivariate Decision Trees for Generalizable Classification Models

Abstract Classification problems from different domains vary in complexity, size, and imbalance of the number of samples from different classes. Although several classification models have been proposed, selecting the right model and parameters for a given classification task to achieve good perform...

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Autores principales: Arturo Magana-Mora, Vladimir B. Bajic
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Publicado: Nature Portfolio 2017
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spelling oai:doaj.org-article:364ca4f44c504fb6a0a83037a7d7273f2021-12-02T11:52:34ZOmniGA: Optimized Omnivariate Decision Trees for Generalizable Classification Models10.1038/s41598-017-04281-92045-2322https://doaj.org/article/364ca4f44c504fb6a0a83037a7d7273f2017-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-04281-9https://doaj.org/toc/2045-2322Abstract Classification problems from different domains vary in complexity, size, and imbalance of the number of samples from different classes. Although several classification models have been proposed, selecting the right model and parameters for a given classification task to achieve good performance is not trivial. Therefore, there is a constant interest in developing novel robust and efficient models suitable for a great variety of data. Here, we propose OmniGA, a framework for the optimization of omnivariate decision trees based on a parallel genetic algorithm, coupled with deep learning structure and ensemble learning methods. The performance of the OmniGA framework is evaluated on 12 different datasets taken mainly from biomedical problems and compared with the results obtained by several robust and commonly used machine-learning models with optimized parameters. The results show that OmniGA systematically outperformed these models for all the considered datasets, reducing the F1 score error in the range from 100% to 2.25%, compared to the best performing model. This demonstrates that OmniGA produces robust models with improved performance. OmniGA code and datasets are available at www.cbrc.kaust.edu.sa/omniga/.Arturo Magana-MoraVladimir B. BajicNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-11 (2017)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
Arturo Magana-Mora
Vladimir B. Bajic
OmniGA: Optimized Omnivariate Decision Trees for Generalizable Classification Models
description Abstract Classification problems from different domains vary in complexity, size, and imbalance of the number of samples from different classes. Although several classification models have been proposed, selecting the right model and parameters for a given classification task to achieve good performance is not trivial. Therefore, there is a constant interest in developing novel robust and efficient models suitable for a great variety of data. Here, we propose OmniGA, a framework for the optimization of omnivariate decision trees based on a parallel genetic algorithm, coupled with deep learning structure and ensemble learning methods. The performance of the OmniGA framework is evaluated on 12 different datasets taken mainly from biomedical problems and compared with the results obtained by several robust and commonly used machine-learning models with optimized parameters. The results show that OmniGA systematically outperformed these models for all the considered datasets, reducing the F1 score error in the range from 100% to 2.25%, compared to the best performing model. This demonstrates that OmniGA produces robust models with improved performance. OmniGA code and datasets are available at www.cbrc.kaust.edu.sa/omniga/.
format article
author Arturo Magana-Mora
Vladimir B. Bajic
author_facet Arturo Magana-Mora
Vladimir B. Bajic
author_sort Arturo Magana-Mora
title OmniGA: Optimized Omnivariate Decision Trees for Generalizable Classification Models
title_short OmniGA: Optimized Omnivariate Decision Trees for Generalizable Classification Models
title_full OmniGA: Optimized Omnivariate Decision Trees for Generalizable Classification Models
title_fullStr OmniGA: Optimized Omnivariate Decision Trees for Generalizable Classification Models
title_full_unstemmed OmniGA: Optimized Omnivariate Decision Trees for Generalizable Classification Models
title_sort omniga: optimized omnivariate decision trees for generalizable classification models
publisher Nature Portfolio
publishDate 2017
url https://doaj.org/article/364ca4f44c504fb6a0a83037a7d7273f
work_keys_str_mv AT arturomaganamora omnigaoptimizedomnivariatedecisiontreesforgeneralizableclassificationmodels
AT vladimirbbajic omnigaoptimizedomnivariatedecisiontreesforgeneralizableclassificationmodels
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