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单词 Conditional mean
释义

Conditional mean

英语百科

Conditional expectation

In probability theory, the conditional expectation of a random variable is another random variable equal to the average of the former over each possible "condition". In the case when the random variable is defined over a discrete probability space, the "conditions" are a partition of this probability space. This definition is then generalized to any probability space using measure theory.

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更新时间:2025/6/19 14:07:59