According to Wikipedia, the term black swan derives from a period when it was believed that such birds did not exist. They were, however, later discovered in the wild and were regarded as both a surprise and extraordinary.In his book “Black Swan,” Nassim Nicholas Taleb refers to hard-to-predict and rare events that are beyond the realm of “normal expectations” as black swans.Another way to describe a black swan occurrence is as an outlier. Examples [...]
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