This function accepts a point process object, a two column matrix of x-y coordinate pairs or a three column matrix containing x-y coordinates and quadrat counts in the third column. If the data contains quadrat counts, then the counts=TRUE option must be selected. The function returns a GriegSmith object which is a matrix with block sizes, sum of squares for each block size as well as mean sums of squares. Simulation envelopes are produced as well through randombly permuting the quadrat counts. The 5th and 95th percentiles of the permutations create the simulation envelope.
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