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http://dx.doi.org/10.36498/kbigdt.2020.5.2.77

A Study on the Win-Loss Prediction Analysis of Korean Professional Baseball by Artificial Intelligence Model  

Kim, Tae-Hun (순천대학교 컴퓨터공학과)
Lim, Seong-Won (순천대학교 컴퓨터공학과)
Koh, Jin-Gwang (순천대학교 컴퓨터공학과)
Lee, Jae-Hak (송원대학교 전기전자공학과)
Publication Information
The Journal of Bigdata / v.5, no.2, 2020 , pp. 77-84 More about this Journal
Abstract
In this study, we conducted a study on the win-loss predicton analysis of korean professional baseball by artificial intelligence models. Based on the model, we predicted the winner as well as each team's final rank in the league. Additionally, we developed a website for viewers' understanding. In each game's first, third, and fifth inning, we analyze to select the best model that performs the highest accuracy and minimizes errors. Based on the result, we generate the rankings. We used the predicted data started from May 5, the season's opening day, to August 30, 2020 to generate the rankings. In the games which Kia Tigers did not play, however, we used actual games' results in the data. KNN and AdaBoost selected the most optimized machine learning model. As a result, we observe a decreasing trend of the predicted results' ranking error as the season progresses. The deep learning model recorded 89% of the model accuracy. It provides the same result of decreasing ranking error trends of the predicted results that we observe in the machine learning model. We estimate that this study's result applies to future KBO predictions as well as other fields. We expect broadcasting enhancements by posting the predicted winning percentage per inning which is generated by AI algorism. We expect this will bring new interest to the KBO fans. Furthermore, the prediction generated at each inning would provide insights to teams so that they can analyze data and come up with successful strategies.
Keywords
Machine Learning Model(KNN and AdaBoost); Deep Learning Model; Professional Baseball; Win-Loss Prediction;
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