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Progressive Sampling-Based Joint Automatic Model Selection of Machine Learning and Feature Selection

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DOI: 10.23977/jaip.2020.040104 | Downloads: 12 | Views: 961

Author(s)

Sufen Chen 1, Xueqiang Zeng 2

Affiliation(s)

1 School of Information Engineering, Nanchang Institute of Technology, Nanchang, Jiangxi Province 330099, P.R. China
2 School of Computer & Information Engineering, Jiangxi Normal University, Nanchang, Jiangxi Province 330022, P.R. China

Corresponding Author

Xueqiang Zeng

ABSTRACT

In most machine learning applications, selecting an appropriate machine learning model requires advanced knowledge and many labor-intensive manual iterations. As a result, automatic machine learning is particularly important in order to lower the threshold for machine learning. In addition, feature selection is a very important data preprocessing process. Selecting important features can alleviate the dimension disaster problem, and removing irrelevant features can reduce the difficulty of learning tasks. The existing automatic selection methods cannot perform the automatic selection of machine learning model and feature selection model simultaneously on large-scale data. Therefore, in order to adapt to the rapid development of the era of big data, this paper proposes to establish a unified hyperparameter space for machine learning and feature selection, and adopt Bayesian optimization model based on progressive sampling for automatic model selection. By extensive experiments, we show that our approach can significantly reduce search time and classification error rates compared to the most advanced automated model selection methods.

KEYWORDS

Automatic selection, feature selection, Bayesian optimization, progressive sampling

CITE THIS PAPER

Sufen Chen, Xueqiang Zeng. Progressive Sampling-Based Joint Automatic Model Selection of Machine Learning and Feature Selection. Journal of Artificial Intelligence Practice (2021) Vol. 4: 30-38. DOI: http://dx.doi.org/10.23977/jaip.2020.040104.

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