在日本职业棒球比赛中,使用"胜率高于替换"指标对胜率进行统计分析
Shino Shimizu1, Yasuhiro Suzuki1
1Graduate School of Informatics, Nagoya University, Nagoya, Japan.
PloS one
|January 30, 2026
概括
这项 sabermetrics 研究发现,指定击球员 (DH) 系统对日本棒球队的胜利没有重大影响. 胜利超出替代 (WAR) 分析显示,在没有或没有DH的情况下,没有差异,这表明它不会大大改变团队表现.
科学领域:
- 运动分析 运动分析
- 这是Sabermetrics的数据.
- 棒球表现分析 棒球表现分析
背景情况:
- 指定击球员 (DH) 系统对球队表现的影响仍在争论中.
- 以前的分析可能无法完全解释玩家的位置差异.
- 了解DH的影响对于棒球战略至关重要.
研究的目的:
- 调查指定击球员 (DH) 系统对日本职业棒球队胜利的影响.
- 在Wins Above Replacement (WAR) 计算中,应对玩家位置差异的新纠正.
- 为了确定DH系统是否会显著影响团队WAR和胜率之间的关系.
主要方法:
- 利用了2014-2023年的日本太平洋联盟数据.
- 采用了一种新的 sabermetric 校正,用于计算玩家的位置变化.
- 在DH和非DH条件下为球队计算的胜利超过替换 (WAR).
- 比较了团队平均WAR和获胜率之间的相关系数.
主要成果:
- 在团队平均WAR和带或不带DH的胜利百分比之间的相关性中没有发现显著差异.
- 新的位置校正并没有改变关于DH的影响的结论.
- DH系统没有对整体团队绩效指标产生实质性影响.
结论:
- 在日本棒球中,指定击球员 (DH) 系统似乎对球队的胜利影响微不足道.
- 在WAR指标中的位置调整不会改变对DH影响的评估.
- 这些发现为棒球策略和DH规则提供了细微的视角.
更多相关视频
06:36Biomechanical Analysis Methods to Assess Professional Badminton Players' Lunge Performance
Published on: June 11, 2019
11.4K
07:03Establishing Pollination Requirements in Japanese Plum by Phenological Monitoring, Hand Pollinations, Fluorescence Microscopy and Molecular Genotyping
Published on: November 9, 2020
3.4K
相关概念视频
Statistical Analysis: Overview
16.6K
When we take repeated measurements on the same or replicated samples, we will observe inconsistencies in the magnitude. These inconsistencies are called errors. To categorize and characterize these results and their errors, the researcher can use statistical analysis to determine the quality of the measurements and/or suitability of the methods.
One of the most commonly used statistical quantifiers is the mean, which is the ratio between the sum of the numerical values of all results and the...
One of the most commonly used statistical quantifiers is the mean, which is the ratio between the sum of the numerical values of all results and the...
16.6K
Statistical Analysis System (SAS)
904
SAS, short for Statistical Analysis System, is a powerful data analysis, management, and visualization tool. Developed by the SAS Institute in the early 1970s, SAS has evolved into a comprehensive software suite used across various industries for statistical analysis, business intelligence, and predictive modeling.
Applications: SAS finds applications in numerous fields, including healthcare for clinical trial analysis, finance for risk assessment, marketing for customer data analysis, and...
Applications: SAS finds applications in numerous fields, including healthcare for clinical trial analysis, finance for risk assessment, marketing for customer data analysis, and...
904
Indicators
60.7K
Certain organic substances change color in dilute solution when the hydronium ion concentration reaches a particular value. For example, phenolphthalein is a colorless substance in any aqueous solution with a hydronium ion concentration greater than 5.0 × 10−9 M (pH < 8.3). In more basic solutions where the hydronium ion concentration is less than 5.0 × 10−9 M (pH > 8.3), it is red or pink. Substances such as phenolphthalein, which can be used to determine the pH of a solution, are...
60.7K
Professional Values
10.7K
Nurses are responsible for caring for patients during birth, death, illness, and healing. Professional values guide the decisions and actions that nurses make in their careers. If nurses know the decisions and actions to take, providing patients with exceptional care is possible.
The values that are the foundation of the nursing profession are altruism, autonomy, human dignity, and social justice.
First, altruism refers to the concern for the welfare and well-being of others without personal...
The values that are the foundation of the nursing profession are altruism, autonomy, human dignity, and social justice.
First, altruism refers to the concern for the welfare and well-being of others without personal...
10.7K
The Professional Nurse
6.5K
Professional nurses are not limited to bedside care and are taking roles of greater responsibility. A nurse should have a knowledge-based practice, including personal, theoretical, procedural, cultural, and reflexive knowledge. Additionally, nurses must be competent in cognitive, technical, interpersonal, and ethical/legal skills. Some of the best attributes of successful nurses include the following:
Communication skills: These are critical characteristics, especially speaking and listening.
Communication skills: These are critical characteristics, especially speaking and listening.
6.5K
Statistical Significance
21.8K
Once data is collected from both the experimental and the control groups, a statistical analysis is conducted to find out if there are meaningful differences between the two groups. A statistical analysis determines how likely any difference found is due to chance (and thus not meaningful). In psychology, group differences are considered meaningful, or significant, if the odds that these differences occurred by chance alone are 5 percent or less. Stated another way, if we repeated this...
21.8K
