Survivorship bias
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Survivorship bias or survivor bias is a statistical error that results from concentrating on entities that passed a selection process while overlooking those that did not. This can lead to incorrect c
Framed quotes of successful CEOs in a public library
Abraham Wald
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Abraham Wald was a Hungarian and American mathematician and statistician who contributed to decision theory, geometry and econometrics, and founded the field of sequential analysis. One of his well-kn
Survivorship bias
…public eye. Only those who survive the selective pressures of their competitive environment are seen regularly. During World War II, the statistician Abraham Wald described methods of estimating the vulnerability of various parts of an aircraft based on damage to surviving planes. The Statistical Research Group…
A young Wald
Photograph of Abraham Wald from the Oberwolfach Research Institute for Mathematics