2min chapter

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#1 Data Science, Past, Present and Future

DataFramed

CHAPTER

Selection Bias - A Common Statistics Trap

Hugo: Selection bias is present any time we collect data. He cites an example of how subtle it can be in analysis on world war two. Wald and his team that the returning planes were, in fact, a bias sample because they didn't include the planes that never actually made it back from their missions.

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