Fisher information

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English[edit]

English Wikipedia has an article on:
Wikipedia

Etymology[edit]

Named after the statistician Ronald Fisher.

Noun[edit]

Fisher information (uncountable)

  1. (statistics) A measure of the amount of information that an observable random variable X carries about an unknown parameter θ of a distribution that models X. Formally, it is the variance of the score, or the expected value of the observed information.