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{{for|use in statistical testing|Statistical model}}
{{for|use in ecology|Theoretical ecology}}
In mathematics, in the study of statistical properties of [[Graph (mathematics)|graphs]], the '''null model''' is a graph which matches one specific graph in some of its structural features, but which is otherwise taken to be an instance of a [[random graph]]. The null model is used as a term of comparison, to verify whether the graph in question displays some feature, such as community structure, or not.
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