What is Survivor Bias?
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Hundreds of bunnies released into a valley
Over the next couple of decades hawks and other predators eat the bunnies EXCEPT the brown ones who blend in well with their surroundings
Years later you do a survey of the valley and seeing only brown bunnies in the valley the assumption is that the people that released bunnies in the past only released brown ones
That is survivor bias, we get a bias based on what we can directly observe. Similar to how people talk about how old building last longer because look at all these 600 year old building around the country…. but what about every other building other than those ones that did not survive till now
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