V2EX weighted on-base average

Weighted On-Base Average

定义 Definition

Weighted On-Base Average(加权上垒平均值,常写作 wOBA):一种棒球进攻数据指标,用“线性权重”给不同的上垒/击球结果(如保送、触身球、单打、二垒打、三垒打、本垒打)赋予不同分值,用来更准确衡量打者创造得分的能力。相较打击率或上垒率,它更接近“每次打席对得分的实际贡献”。

发音 Pronunciation (IPA)

/wetd n bes vrd/

例句 Examples

He led the team with a .390 weighted on-base average.
他以 0.390 的加权上垒平均值领跑全队。

Because weighted on-base average assigns higher value to extra-base hits than to singles, it often ranks power hitters more favorably than on-base percentage alone.
由于加权上垒平均值对长打赋予比一垒安打更高的权重,它往往会比仅看上垒率更“偏爱”强打者。

词源 Etymology

该术语由三部分直译组合而成:weighted(加权的) + on-base(上垒) + average(平均值)。它源自棒球数据分析(sabermetrics)中“线性权重”的思想:不同事件对得分的贡献不一样,因此用不同权重来计算更贴近真实的进攻价值现代语境中常以缩写 wOBA 出现并被广泛使用。

相关词 Related Words

文学与著名作品用例 Literary Works

  • The Book: Playing the Percentages in Baseball(Tango, Lichtman, Dolphin)围绕线性权重与进攻价值评估的经典著作,常与 wOBA 的思想体系一起被引用。
  • FanGraphs(网站)Glossary(术语表)对 wOBA / weighted on-base average 有广为引用的定义与解释。
  • Analyzing Baseball Data with R(Marchi & Albert)在数据分析语境中讨论包括 wOBA 在内的现代进攻指标。
  • The Hardball Times Annual(年度文集)常在分析文章中使用或讨论 wOBA 等高级数据指标。
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