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AN00135710-00570001-0043.pdf
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Title |
Title |
東京六大学野球リーグ及び東都大学野球リーグを含めた各大学野球連盟における過去30シーズンの平均競技力の比較研究
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Kana |
トウキョウ ロクダイガク ヤキュウ リーグ オヨビ トウト ダイガク ヤキュウ リーグ オ フクメタ カクダイガク ヤキュウ レンメイ ニ オケル カコ 30シーズン ノ ヘイキン キョウギリョク ノ ヒカク ケンキュウ
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Romanization |
Tokyo rokudaigaku yakyu rigu oyobi Toto daigaku yakyu rigu o fukumeta kakudaigaku yakyu renmei ni okeru kako 30shizun no heikin kyogiryoku no hikaku kenkyu
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Title |
Comparison of the strengths of Japanese collegiate baseball leagues in past 30 seasons
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Creator |
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鳥海, 崇
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Kana |
トリウミ, タカシ
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Romanization |
Toriumi, Takashi
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Affiliation |
慶應義塾大学体育研究所専任講師
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Affiliation (Translated) |
Assistant professor, Institute of Physical Education, Keio University
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綿田, 博人
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Kana |
ワタダ, ヒロヒト
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Romanization |
Watada, Hirohito
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Affiliation |
慶應義塾大学名誉教授
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Affiliation (Translated) |
Emeritus professor, Keio University
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Publisher |
Name |
慶應義塾大学体育研究所
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Kana |
ケイオウ ギジュク ダイガク タイイク ケンキュウジョ
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Romanization |
Keio gijuku daigaku taiiku kenkyujo
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2018
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体育研究所紀要
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Bulletin of the institute of physical education, Keio university
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Volume |
57
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1
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2018
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1
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Start page |
43
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End page |
56
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Abstract |
The Tokyo Big 6 Baseball League (BIG6) and the Tohto University Baseball League (TOHTO) are the top two collegiate baseball leagues in Japan. Both leagues consists of six teams and are highly competitive ; however, there is no opportunity for the teams in the two leagues to compete directly against each other except for the national championships. In this report, we calculate the strengths of six teams across both leagues and compare the superiority of them. Using the Bradley-Terry model and Markov model, we estimate the strengths of each team in both leagues. The Kendall tau rank correlation coefficient of both methods was as high as 0.945. The results indicate that the first team in TOHTO had the highest strength calculated by Bradly-Terry model on the other hand the first team in BIG6 had the highest by Markov model. On comparing the strengths of the same rankings in both leagues, the strengths of every team in TOHTO are higher than those of the corresponding teams in BIG6 in both methods. This is because BIG6 consists of only the same six teams, while TOHTO consists of 21 teams, with the sixth-ranked team playing a replacement game against the first team of the second division every season.
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Keyword |
Collegiate Baseball League
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Departmental Bulletin Paper
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History |
Mar 20, 2018 | | インデックス を変更 |
Jul 31, 2018 | | 出版地 場所,出版者 名前,出版者 カナ,出版者 ローマ字,日付 出版年(from:yyyy),日付 出版年(to:yyyy),日付 作成日(yyyy-mm-dd) を変更 |
Jul 31, 2018 | | 版 を変更 |
Aug 5, 2019 | | 著者 を変更 |
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