SpatialJ

SpatialJ[pdata,r] estimates the J function J(r) for point data pdata at radius r.

SpatialJ[pproc,r] computes J(r) for the point process pproc.

SpatialJ[bdata,r] computes J(r) for binned data bdata. 

SpatialJ[pspec] generates the function J that can be applied repeatedly to different radii r.

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