Hypothesis test
Welch方差分析
Welch方差分析是一种参数假设检验，用于在三个或更多独立组的方差不相等时比较它们的均值。该方法由B. L. Welch于1951年提出，当经典单因素方差分析的方差齐性假设失效时，它可替代经典单因素方差分析，但仍要求数据近似正态分布。
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来源
- Welch, B.L. (1951). On the Comparison of Several Mean Values. Biometrika, 38(3/4), 330–336. link ↗
如何引用本页
ScholarGate. (2026, June 1). Welch's Analysis of Variance. ScholarGate. https://scholargate.app/zh/statistics/welch-anova
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