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논문 기본 정보

자료유형
학술저널
저자정보
허종관 (경운대학교) 이봉근 (경운대학교)
저널정보
한국체육과학회 한국체육과학회지 한국체육과학회지 제33권 제1호 (자연과학 편)
발행연도
2024.2
수록면
619 - 629 (11page)
DOI
10.35159/kjss.2024.2.33.1.619

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연구주제
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연구배경
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연구방법
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연구결과
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초록· 키워드

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The purpose of this study is to estimate changes in the performance of the Korean professional volleyball team by applying the Dynamic Bradley-Terry model to Korea"s volleyball game result records and compare the estimated results with the Static Bradley-Terry model. For the purpose of this study, the match result records of 252 games of 7 professional volleyball teams participating in the 2022-2023 V-League regular season were collected from the website of the Korea Volleyball Federation (KOVO) (https://www.kovo.co.kr/). The data was collected using a web crawling program created by the researcher using Python (python 3.11.2) program. For the collected data, the static Bradley-Terry model, which simply considered the opponent team"s performance parameters, and the dynamic Bradley-Terry model, which also considered the time variable, were applied. Afterwards, We discussed the appropriateness and limitations of the DBT model as a statistical model to examine the relative performance parameters of Korean professional volleyball team for the entire season, along with the trend of performance changes during the season. In conclusion, the DBT model is undoubtedly a very useful analytical method as it not only estimates the performance parameters of each team for the entire season, but also provides accurately inferred performance parameters that reflect the changed performance of the opposing team over time, along with the trend of performance changes. However, the difficulty in analyzing the main factors causing changes in the trend of performance is considered to be a disadvantage of this model.

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Abstract
Ⅰ. 서론
Ⅱ. 연구방법
Ⅲ. 결과
Ⅳ. 논의 및 결론
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