バレーボール研究
Online ISSN : 2433-7277
Print ISSN : 1344-9524
原著論文
サイドアウト率とブレイク率による勝率の予測
南部勝率:バレーボール版ピタゴラス勝率の導入の試み
佐藤 文彦渡辺 啓太
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ジャーナル フリー

2023 年 25 巻 1 号 p. 8-13

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抄録
In this study, we attempted to introduce the Pythagorean expectation used in baseball to volleyball. We compared the three prediction models: the Pythagorean expectation used in baseball (Model 1), the Pythagorean winning percentage using an index suitable for volleyball (Model 2), and a model predicts winning percentage based on the side-out rate and breakout rate (Model 3). Results indicated that Model1, Pythagorean expectation, had a correlation with winning percentage in volleyball, but the error was large. and Model3 had the highest prediction accuracy. We named this model that based on side-out rate and break rate the "Nambu expectation".
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© 2023 日本バレーボール学会
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