Journal of Quantitative Analysis in Sports最新文献_第2页

The strategic jump-the order effect on winning “The Final Three” in long jump competitions 战略性跳跃--在跳远比赛中赢得 "最后三名 "的顺序效应

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Journal of Quantitative Analysis in Sports Pub Date : 2024-02-20 DOI: 10.1515/jqas-2022-0028

Niklas Karlsson, Anders Lunander

{"title":"The strategic jump-the order effect on winning “The Final Three” in long jump competitions","authors":"Niklas Karlsson, Anders Lunander","doi":"10.1515/jqas-2022-0028","DOIUrl":"https://doi.org/10.1515/jqas-2022-0028","url":null,"abstract":"The tournament rules for long jump competitions have changed in recent years. Today, only the three athletes with the best jumps from the five initial attempts are qualified to make an additional sixth jump – a format called The Final Three. In the first implemented version of The Final Three, the top athletes sequentially make one final jump, starting with the athlete ranked third place from the initial attempts. The athlete with the longest jump in this sixth attempt wins the competition, irrespective of achieved results in previous attempts. In this study, we analyze the effect of the athletes’ jump order on the probability of winning the competition within this first implemented version of The Final Three. We derive the final’s symmetric subgame perfect equilibrium and compute the corresponding equilibrium winning probabilities, given estimated distributional parameters from the Olympic long jumping final in Tokyo 2021. The modeling of the game is preceded by a development of a stochastic model for the outcome in long jumping. Our results indicate a last mover advantage, albeit small. Our model also reveals the importance of having a low variation in the approach run length and thinking strategically in this tournament format.","PeriodicalId":16925,"journal":{"name":"Journal of Quantitative Analysis in Sports","volume":"46 1","pages":""},"PeriodicalIF":0.8,"publicationDate":"2024-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139928138","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Estimating age-dependent performance in paired comparisons competitions: application to snooker 估算成对比较竞赛中与年龄有关的成绩：斯诺克的应用

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Journal of Quantitative Analysis in Sports Pub Date : 2024-02-01 DOI: 10.1515/jqas-2023-0082

Rose D. Baker, Ian G. McHale

引用次数: 0

Opponent choice in tournaments: winning and shirking 比赛中对手的选择：获胜与逃避

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Journal of Quantitative Analysis in Sports Pub Date : 2024-01-19 DOI: 10.1515/jqas-2023-0030

Nicholas G. Hall, Zhixin Liu

{"title":"Opponent choice in tournaments: winning and shirking","authors":"Nicholas G. Hall, Zhixin Liu","doi":"10.1515/jqas-2023-0030","DOIUrl":"https://doi.org/10.1515/jqas-2023-0030","url":null,"abstract":"We propose an alternative design for tournaments that use a preliminary stage, followed by several rounds of single elimination play. The conventional “bracket” design of these tournaments suffers from several deficiencies. Specifically, various reasonable performance criteria for the tournament are not satisfied, there is an unnecessary element of luck in the matchups of players, and there are situations where players have an incentive to shirk. To address all these issues, we allow higher ranked players at the single elimination stage to choose their next opponent sequentially at each round. We allow each player’s ranking either to remain static, or to improve by beating a higher ranked player (Guyon, J. 2022. “Choose your opponent”: a new knockout design for hybrid tournaments. J. Sports Anal. 8: 9–29). Using data from 2215 men’s professional tennis tournaments from 1991 to 2017, we demonstrate the reasonableness of the results obtained. We also perform sensitivity analysis for the effect of increasing irregularity in the pairwise win probability matrix on three traditional performance measures. Finally, we consider strategic shirking behavior at both the individual and group levels, and show how our opponent choice design can mitigate such behavior. Overall, the opponent choice design provides higher probabilities that the best player wins and also that the two best players meet, and reduces shirking, compared to the conventional bracket design.","PeriodicalId":16925,"journal":{"name":"Journal of Quantitative Analysis in Sports","volume":"15 2","pages":""},"PeriodicalIF":0.8,"publicationDate":"2024-01-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139515811","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Improving ranking quality and fairness in Swiss-system chess tournaments 提高瑞士系统国际象棋比赛的排名质量和公平性

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Journal of Quantitative Analysis in Sports Pub Date : 2024-01-18 DOI: 10.1515/jqas-2022-0090

Pascal Sauer, Ágnes Cseh, Pascal Lenzner

引用次数: 0

Fair world para masters point system for swimming 公平的世界游泳大师积分系统

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Journal of Quantitative Analysis in Sports Pub Date : 2024-01-18 DOI: 10.1515/jqas-2023-0051

Christoph Bartneck, Elena Moltchanova

引用次数: 0

A multiplicative approach to decathlon scoring based on efficient frontiers 基于高效前沿的十项全能评分乘法

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Journal of Quantitative Analysis in Sports Pub Date : 2024-01-10 DOI: 10.1515/jqas-2022-0012

Manuel Schütz, Chris Tofallis

{"title":"A multiplicative approach to decathlon scoring based on efficient frontiers","authors":"Manuel Schütz, Chris Tofallis","doi":"10.1515/jqas-2022-0012","DOIUrl":"https://doi.org/10.1515/jqas-2022-0012","url":null,"abstract":"The decathlon consists of ten events with scores which are then aggregated to determine the final ranking. We develop a decathlon scoring method which is far simpler than the existing standard (IAAF1984) tables, as there are only 9 parameters instead of 30 which have an impact on the overall rank. We first identify athletes who are on the Pareto-efficient frontier i.e. those who are not dominated by anyone else. We then remove these frontier athletes and again pick all non-dominated athletes to obtain a second dominating group/Pareto frontier and iterate this procedure for the decathlon data from 1986 to 2020. Each of these groups are then characterized by their set of ten median performances. Improving from the last to the top group can then be seen as a path of progress, leading from the lowest to the highest set of median performances. Every event should have the same importance, so we normalize the data such that the path of progress follows as much as possible a space diagonal of a ten dimensional hypercube. Furthermore, any adjustment of a benchmark does not change any actual decathlon performance, hence there cannot be any unwanted rank reversals. This allows a smooth adjustment of these tables in the future, if for instance a new type of javelin needs to be introduced to reduce the range. We normalize such that current performances between 7000 and 9000 points still fall into the same range with our point tables.","PeriodicalId":16925,"journal":{"name":"Journal of Quantitative Analysis in Sports","volume":"18 1","pages":""},"PeriodicalIF":0.8,"publicationDate":"2024-01-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139420563","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Equity, diversity, and inclusion in sports analytics 体育分析中的公平性、多样性和包容性

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Journal of Quantitative Analysis in Sports Pub Date : 2024-01-09 DOI: 10.1515/jqas-2022-0025

Craig Fernandes, Jason D. Vescovi, Richard Norman, Cheri L. Bradish, Nathan Taback, Timothy C. Y. Chan

{"title":"Equity, diversity, and inclusion in sports analytics","authors":"Craig Fernandes, Jason D. Vescovi, Richard Norman, Cheri L. Bradish, Nathan Taback, Timothy C. Y. Chan","doi":"10.1515/jqas-2022-0025","DOIUrl":"https://doi.org/10.1515/jqas-2022-0025","url":null,"abstract":"This paper presents a landmark study of equity, diversity and inclusion (EDI) in the field of sports analytics. We developed a survey that examined personal and job-related demographics, as well as individual perceptions and experiences about EDI in the workplace. We sent the survey to individuals in the five major North American professional leagues, representatives from the Olympic and Paralympic Committees in Canada and the U.S., the NCAA Division I programs, companies in sports tech/analytics, and university research groups. Our findings indicate the presence of a clear dominant group in sports analytics identifying as: young (72.0 %), White (69.5 %), heterosexual (89.7 %) and male (82.0 %). Within professional sports, males in management positions earned roughly $30,000 (27 %) more on average compared to females. A smaller but equally alarming pay gap of $17,000 (14 %) was found between White and racialized management personnel. Of concern, females were nearly five times as likely to experience discrimination and twice as likely to have considered leaving their job due to isolation or feeling unwelcome. While they had similar levels of agreement regarding fair processes for rewards and compensation, females “strongly agreed” less often than males regarding equitable support, equitable workload, having a voice, and being taken seriously. Over one third (36.3 %) of females indicated that they “strongly agreed” that they must work harder than others to be valued equally, compared to 9.8 % of males. We conclude the paper with concrete recommendations that could be considered to create a more equitable, diverse and inclusive environment for individuals working within the sports analytics sector.","PeriodicalId":16925,"journal":{"name":"Journal of Quantitative Analysis in Sports","volume":"72 1","pages":""},"PeriodicalIF":0.8,"publicationDate":"2024-01-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139408042","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Contributions of Carl Morris in sports analytics, a memorium 纪念卡尔-莫里斯在体育分析方面的贡献

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Journal of Quantitative Analysis in Sports Pub Date : 2024-01-05 DOI: 10.1515/jqas-2023-0092

Jim Albert

引用次数: 0

Miss it like Messi: Extracting value from off-target shots in soccer 像梅西一样错失良机：从足球的脱靶射门中提取价值

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Journal of Quantitative Analysis in Sports Pub Date : 2024-01-01 DOI: 10.1515/jqas-2022-0107

Ethan Baron, Nathan Sandholtz, Devin Pleuler, Timothy C. Y. Chan

{"title":"Miss it like Messi: Extracting value from off-target shots in soccer","authors":"Ethan Baron, Nathan Sandholtz, Devin Pleuler, Timothy C. Y. Chan","doi":"10.1515/jqas-2022-0107","DOIUrl":"https://doi.org/10.1515/jqas-2022-0107","url":null,"abstract":"Measuring soccer shooting skill is a challenging analytics problem due to the scarcity and highly contextual nature of scoring events. The introduction of more advanced data surrounding soccer shots has given rise to model-based metrics which better cope with these challenges. Specifically, metrics such as expected goals added, goals above expectation, and post-shot expected goals all use advanced data to offer an improvement over the classical conversion rate. However, all metrics developed to date assign a value of zero to off-target shots, which account for almost two-thirds of all shots, since these shots have no probability of scoring. We posit that there is non-negligible shooting skill signal contained in the trajectories of off-target shots and propose two shooting skill metrics that incorporate the signal contained in off-target shots. Specifically, we develop a player-specific generative model for shot trajectories based on a mixture of truncated bivariate Gaussian distributions. We use this generative model to compute metrics that allow us to attach non-zero value to off-target shots. We demonstrate that our proposed metrics are more stable than current state-of-the-art metrics and have increased predictive power.","PeriodicalId":16925,"journal":{"name":"Journal of Quantitative Analysis in Sports","volume":"21 1","pages":""},"PeriodicalIF":0.8,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139072175","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

On the design of international match calendar: the effect of “FIFA reserved dates” on European football matches’ outcomes 论国际比赛日历的设计:“国际足联保留日期”对欧洲足球比赛结果的影响

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Journal of Quantitative Analysis in Sports Pub Date : 2023-11-28 DOI: 10.1515/jqas-2022-0041

Levi Pérez

引用次数: 0