BTモデルによる柔道競技「判定」の主観的判断の統計学的モデル
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概要
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Forty-one attributes that determine attitude, skill, and effectiveness of techniques, were recorded for 132 Judo contests, of which wins or losses were decided by HANTEI. A one-dimensional scale showing degree of importance was derived from these records based on the Bradley & Terry (BT)model. The estimation of HANTEI using 3 models that considered "only the most important item,""summation of the degree of importance for all items,"and "summation of the degree of importance for selected items" was performed. The difference between the estimations with these 3 models and actual decisions were compared. The results are as follow:1) Good estimation cannot be obtained from "only the most important item" model. Estimation using "summation of the degree of importance for all items" model followed. The best estimation was "summation of the degree of importance for selected items" model.2) Only 7 to 9 attributes were important when doing HANTEI, although all models were used.3) Effectiveness was a more important attribute than attitude and skill because many attributes of "not called but almost nearly called against situations/actions" had high scale values.
- Japanese Academy of Budoの論文
Japanese Academy of Budo | 論文
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