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Added a hatnote to enable readers to access "concentration matrix" if they don't already know what it means -- especially useful if they happen to search for "concentration" and "statistics" and ended up here (like I just did) |
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{{for|the inverse of a covariance matrix|Concentration matrix}}
{{Refimprove|date=September 2010}}
In [[probability theory]] and [[statistics]], a '''concentration parameter''' is a special kind of [[numerical parameter]] of a [[parametric family]] of [[probability distribution]]s. Concentration parameters occur in two kinds of distribution: In the [[Von Mises–Fisher distribution]], and in conjunction with distributions whose ___domain is a probability distribution, such as the [[symmetric Dirichlet distribution]] and the [[Dirichlet process]]. The rest of this article focuses on the latter usage.
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