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'''Variance Function''' new article content ...
{{distinguish|Variance}}
{{Regression bar}}
In [[statistics]], the '''variance function''' is a representation of the variance used in [[generalized linear models]] and other areas, as a function of the mean. allows for response variables that have error distribution models other than a [[normal distribution]]. The GLM generalizes linear regression by allowing the linear model to be related to the response variable via a '''link function''' and by allowing the magnitude of the variance of each measurement to be a function of its predicted value.
== Overview ==
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