A class of U-statistics and asymptotic normality of the number of k-clusters

Rabi N. Bhattacharya and Jayanta K. Ghosh

Journal of Multivariate Analysis, 1992, vol. 43, issue 2, 300-330

Abstract: A central limit theorem is proved for a class of U-statistics whose kernel depends on the sample size and for which the projection method may fail, since several terms in the Hoeffding decomposition contribute to the limiting variance. As an application we derive the asymptotic normality of the number of Poisson k-clusters in a cube of increasing size in Rd. We also extend earlier results of Jammalamadaka and Janson to general kernels and to general orders k > 2 of the kernel.

Keywords: U-statistics; martingales; interpoint; distance; Poisson; random; field; k-clusters (search for similar items in EconPapers)
Date: 1992
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Citations: View citations in EconPapers (7)

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