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Simpson's paradox - Wikipedia
辛普森悖论指分组内成立的趋势在合并数据后消失甚至反转的统计现象。
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推荐理由
Appends the Simpson's paradox article to illustrate the correlation-versus-causation point.
HN 评论原话
“You know the age old adage, correlation is not causation?”
网页原文证据
Simpson's paradox is a phenomenon in probability and statistics in which a trend appears in several groups of data but disappears or reverses when the groups are combined.
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