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Any such system is/would be potentially very dangerous. Crime data is not the same thing as crime. Populations that are over-policed are be disproportionately represented in any such data set, leading to higher prediction of crime, leading in turn more over-policing (feedback loop). I implore anyone attempting to build such a system to consider the serious issue of machine bias and it's implications in the real world.

See this tutorial given at this years NIPS machine learning conference: http://mrtz.org/nips17/#/

Re:Hacking “Chutes and Ladders” using R on Tuesday June 09, 2015 @07:59PM (#9689323)
I also wrote a little blog post about that very thing back in 2011. In addition to using a Markov chain approach, also took a look at it from an information entropy perspective. And the code is also in R, to boot! http://bayesianbiologist.com/2011/12/31/uncertainty-in-marko...
Re:Introduction to Bayesian Methods on Sunday March 31, 2013 @10:44PM (#5471162)
Indeed. It's not a transcript of the talk, but here are the accompanying materials that we worked with during the class. http://bayesianbiologist.com/2012/10/19/introduction-to-baye...

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