디지털융복합연구 (Journal of Digital Convergence)

  • 제19권5호
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  • Pages.461-468
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  • 2021
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  • 2713-6434(pISSN)
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  • 2713-6442(eISSN)
한국디지털정책학회 (The Society of Digital Policy and Management)
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의사결정나무 분석을 통한 세계핸드볼 승패결정요인 분석

A Study of Influencing Factors on World Handball Win-Loss using the Decision Tree Analysis

  • 투고 : 2021.04.07
  • 심사 : 2021.05.20
  • 발행 : 2021.05.28
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초록

이 연구는 2019년 남녀 핸드볼 세계선수권대회에 참가하는 모든 국가를 대상으로 국제핸드볼연맹이 제공한 공식 기록을 수집해 팀 경기 기록의 승패를 가리는 중요한 슈팅 변수를 규명하는 데 목적이 있다. 이 연구의 목적을 달성하기 위해 2019 핸드볼 세계선수권대회에 참가한 24개국 남녀대표팀의 총 192경기를 수집해 승패 그룹에 따른 대회 기록의 차이를 검증한 이후 8가지 슈팅 변수에 따라 승패요인을 분류하기 위해 데이터마이닝 기법의 하나인 의사결정 트리 방식(CART 알고리즘)을 적용해 분석했다. 분석 결과 9m 슈팅성공률과 Near 슈팅성공률이 남녀 모두에게 가장 중요한 요인으로 평가됐다. 남자는 9m 슈팅성공률이 32.5% 이상, Near 슈팅성공률이 67.5% 이상이면 83.3% 승리하며, 여자는 9m 슈팅성공률이 75%이상, Near 슈팅성공률이 51% 이상이면 75%를 승리한다. 또한, 여자팀은 페널티 요인 중 옐로카드는 승패를 결정짓는 중요 변수로 판단된다. 결론적으로 본 연구를 통하여 국제핸드볼 경기에서 승리와 패배 팀의 기록 특성 차이와 승패를 구분하는 중요 슈팅 변수를 남녀 모두에서 확인 할 수 있었다.

The purpose of this study is to collect official records of the 2019 Men's and Women's Handball World Championships to identify important shooting variables that determine the team's record of winning or losing. After collecting 192 games of men's and women's national teams from 24 countries and verifying the difference in competition records according to the winning and losing groups, the decision tree method, one of the data mining techniques, is analyzed. According to the analysis, the 9m shooting success rate and Near shooting success rate were the most important factors for both men and women. Men win 83.3% if the 9m shooting success rate is 32.5% or higher and the Near shooting success rate is 67.5%, and women win 75% if the 9m shooting success rate is 75% or more and the Near shooting success rate is 51%. Also, the women's yellow cards are considered important variables that determine victory or defeat. In conclusion, both men and women were able to identify the factors of winning and losing decision shooting, but follow-up studies are needed considering the relativity of various record variables and performance in future handball.

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참고문헌

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