bn.zones determines the case windows (circles) for
the Besag-Newell method.
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An n\times n square distance matrix containing the intercentroid distance between the n region centroids.
A vector of length n containing the observed number of cases for the n region centroids.
A non-negative integer indicating the minimum number of cases to include in each window.
Using the distances provided in
d, for each
observation, the nearest neighbors are included in
increasingly larger windows until at least
cases are included in the window. Each row of
is matched with the same position in
Returns the indices of the regions in each case window as a list. For each element of the list, the indices are ordered from nearest to farthest from each centroid (and include the starting region).
Besag, J. and Newell, J. (1991). The detection of clusters in rare diseases, Journal of the Royal Statistical Society, Series A, 154, 327-333.
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