Orthogonal series estimation of the paircorrelation function of a spatial point process

Abdollah Jalilian, Yongtao Guan, Rasmus Waagepetersen

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

3 Citationer (Scopus)

Abstrakt

The pair correlation function is a fundamental spatial point process characteristic that, given the intensity function, determines second order moments of the point process. Non-parametric estimation of the pair correlation function is a typical initial step of a statistical analysis of a spatial point pattern. Kernel estimators are popular but especially for clustered point patterns suffer from bias for small spatial lags. In this paper we introduce an orthogonal series non-parametric estimator. It is consistent and asymptotically normal according to our theoretical and simulation results. In our simulations the new estimator outperforms the kernel estimators, in particular for Poisson and clustered point processes.
OriginalsprogEngelsk
TidsskriftStatistica Sinica
Vol/bind29
Sider (fra-til)769-787
ISSN1017-0405
DOI
StatusUdgivet - 2019

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