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Asymptotic number of roots of Cauchy location likelihood equations. (English) Zbl 0576.62027

Summary: The number of local maxima of the Cauchy location likelihood function which are not global maxima is asymptotically Poisson distributed with mean parameter 1/\(\pi\).

MSC:

62E20 Asymptotic distribution theory in statistics
62F12 Asymptotic properties of parametric estimators
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