Hypothesis test
卡方独立性检验
卡方独立性检验是一种非参数假设检验，通过比较列联表中观测频率和期望频率，来检验两个分类变量之间是否存在关联。它基于卡尔·皮尔逊于1900年提出的卡方准则。
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来源
- Pearson, K. (1900). On the criterion that a given system of deviations from the probable in the case of a correlated system of variables is such that it can be reasonably supposed to have arisen from random sampling. Philosophical Magazine, 50(302), 157–175. DOI: 10.1080/14786440009463897 ↗
- Agresti, A. (2007). An Introduction to Categorical Data Analysis (2nd ed.). Wiley. ISBN: 978-0471226185
如何引用本页
ScholarGate. (2026, June 1). Chi-square test of independence. ScholarGate. https://scholargate.app/zh/statistics/chi-square-test
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