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	On collapsibilities of Yule's measure
	Guo, JH ; Geng, Z ; Shi, NZ
	2001
关键词	collapsibility conditional independence Simpson&apos Yule&apos CONTINGENCY-TABLES SCORE s paradox s measure
英文摘要	Simpson's paradox reminds people that the statistical inference in a low-dimensional space probably distorts the reality in a high one seriously. To study the paradox with respect to Yule's measure, this paper discusses simple collapsibility, strong collapsibility and consecutive collapsibility, and presents necessary and sufficient conditions of them. In fact, these conditions are of great importance for observational and experimental designs, eliminating confounding bias, categorizing discrete variables and so on.; Mathematics, Applied; Mathematics; SCI(E); 1; ARTICLE; 7; 829-836; 44
语种	英语
出处	SCI
出版者	science in china series a mathematics
内容类型	其他
源URL	[http://hdl.handle.net/20.500.11897/230952]
专题	数学科学学院
推荐引用方式 GB/T 7714	Guo, JH,Geng, Z,Shi, NZ. On collapsibilities of Yule's measure. 2001-01-01.

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