词条 | Empirical characteristic function |
释义 | {{unreferenced|date=August 2016}} In statistics, the empirical characteristic function is a numerically calculated approximation to the characteristic function. If are i.i.d. observations, then the empirical characteristic function is defined as It is useful in estimation theory and hypothesis testing. {{stats-stub|date=August 2016}} 1 : Functions related to probability distributions |
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