Tag: Sørensen–Dice
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The Invisible Math Behind Personalization – Part 3: When a straight line ain’t enough!
In Part 1, we measured distance the way a ruler does. In Part 2, we taught the ruler about the shape of data: variables that move together, and populations that drift. But every metric so far has assumed one thing quietly: that the numbers sit on a flat sheet of graph paper. Location data doesn’t.…