I have three series (or tables) of points in PostGIS which I want to compare. I would like to know how "close" each series is when compared to the other two. In other words I would need some measure such as the average of the average distance of each point with all the others (that is, the average of the distance matrix)... Sounds complicated, but I am sure some common statistic exist to compare series of points.
How my query would look like?
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How my query would look like?
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