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词汇 Direct probability
分类 英语词汇 英语翻译词典
释义

Direct probability

英语百科

Inverse probability

(重定向自Direct probability)
Ronald Fisher

In probability theory, inverse probability is an obsolete term for the probability distribution of an unobserved variable.

Today, the problem of determining an unobserved variable (by whatever method) is called inferential statistics, the method of inverse probability (assigning a probability distribution to an unobserved variable) is called Bayesian probability, the "distribution" of an unobserved variable given data is rather the likelihood function (which is not a probability distribution), and the distribution of an unobserved variable, given both data and a prior distribution, is the posterior distribution. The development of the field and terminology from "inverse probability" to "Bayesian probability" is described by Fienberg (2006).

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