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Kristian Lum, who co-wrote a 2016 paper that tested the algorithmic mechanisms of PredPol with real crime data, told Motherboard in a phone call that although PredPol is powered by complicated-looking mathematical formulas, its actual function can be summarized as a moving average—or an average of subsets within a data set.
Wie geil! Die Firma hat die Cops aber mal so RICHTIG verarscht!“The level of simplicity there is buried in all the talk about using these fancy seismographic models with aftershocks,” Lum said. “In practice, at least for the data that I as a researcher have looked at, it reduced to, for the most part, not anything that was really significantly different than just a moving average.” Basically, PredPol takes an average of where arrests have already happened, and tells police to go back there.
HARR HARR HARRNa DIE Anschaffung hat sich ja gelohnt! Your tax money at work!
Update: Wohlgemerkt: Nicht dass jetzt jemand denkt "immerhin so gut wie Erdbebenvorhersage"! Für Erdbeben haben wir Sensoren! Erdbeben, die keiner bemerkt und meldet gibt es nicht. Verbrechen natürlich schon.