分数球:利用球员跟踪数据在美国足球中进行比赛内球评估
Quang Nguyen1, Ruitong Jiang2, Meg Ellingwood3
1Department of Statistics & Data Science, Carnegie Mellon University, Pittsburgh, 15213, PA, USA. quang@stat.cmu.edu.
Scientific reports
|January 17, 2025
概括
这项研究引入了分数球,这是美国足球防守的一个新的客观指标. 它使用球员跟踪数据来准确测量防守者在阻止球手的贡献.
科学领域:
- 体育科学 运动科学 运动科学
- 生物力学 生物力学
- 数据分析数据分析数据分析.
背景情况:
- 美国足球中的传统球指标是主观的,手动记录,导致固有的缺陷.
- 现有的指标未能捕捉到完整的防守贡献,特别是对于像防守队员这样的位置.
研究的目的:
- 开发一种新的,客观的框架,用玩家跟踪数据来评估防守击贡献.
- 引入一个新的指标,分数解决方案,克服传统措施的局限性.
主要方法:
- 使用球员跟踪数据来识别后卫和球手之间的"接触窗口".
- 开发一个系统来赋值这些联系窗口和参与的参与者.
- 根据防守者在阻止前进进行的作用来计算分数球.
主要成果:
- 分数球为防守贡献提供了一个持续且客观的衡量标准.
- 新的指标为所有防守位置提供了更大的变化和可衡量的数据,包括以前服务不足的位置.
- 证明了玩家跟踪数据在增强体育分析方面的有效性.
结论:
- 分数球代表了衡量美国足球防守表现的重大进步.
- 该框架提供了一个更准确,更细致的了解个人防御影响.
- 球员跟踪数据为体育中的客观绩效评估提供了新的可能性.
相关概念视频
Distance Measurements by Taping
27
Tapes are essential in surveying for accurate, durable, and short-distance measurements. Made from lightweight, nylon-coated steel, they offer flexibility and strength for rugged outdoor use. The nylon coating protects against rust and wear, extending the tape's life. Standard lengths, around 30 meters, are marked in meters and millimeters for precision.Surveyors select tapes based on site conditions and accuracy needs. Lightweight, nylon-coated tapes are commonly used for ease of handling and...
27
Taping Over Different Ground Profiles
23
Taping over varying ground profiles requires careful adaptation to achieve accurate measurements. On smooth, level ground with minimal vegetation, the tape can rest directly on the ground. Here, the taping team, typically consisting of a head and a rear tapeman, coordinates their positions with clear communication. The rear tapeman holds the tape at the starting point and guides the head tapeman toward a range pole placed beyond the endpoint, using hand or voice signals to ensure alignment.On...
23


