Reply to post: Re: Bias is self-perpetuating in lazy statistics

British cops told to scrap 'discriminatory' algorithms in policing

Joe Montana

Re: Bias is self-perpetuating in lazy statistics

It's self perpetuating but it also has to start from somewhere, the police didn't suddenly decide out of nowhere that they were going to target a particular group or area - such decisions were made due to a prevalence of crimes by those groups or in those areas.

And such a bias can also fade over time, if the police are stopping and searching people from a specific group that historically committed crimes easily detectable during a search, but find that the proportion of searches which result in an arrest significantly decreases then they will refocus their efforts on more useful activities having achieved the goal of reducing crime in one area.

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