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Stat Methods Med Res. 1995 Jun;4(2):124-36.

Second-order analysis of space-time clustering.

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  • 1Department of Mathematics and Statistics, Lancaster University, UK.


We consider the problem of detecting and describing space-time interaction in point process data. We extend existing second-order methods for purely spatial point process data to the spatial-temporal setting. This extension allows us to estimate space-time interaction as a function of spatial and temporal separation, and provides a useful reinterpretation of a popular test, due to Knox, for space-time interaction. Applications to simulated and real data indicate the method's potential.

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