Selection Bias - Deepstash
Selection Bias

Selection Bias

  • Selection bias refers to the selection of training/testing data that is not representative of the entire population.
  • Example: An engineer chooses the first 100 volunteers who responded to his email as his training data
  • The problem: The first 100 respondents may be more enthusiastic about a product or study than the last 100 respondents. By explicitly choosing the first 100 respondents, the engineer introduces unfairness in his data collection method.
  • The solution: select a random sample of 100 users from your pool of email respondents instead of the first 100.

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lyejiajun

Learner. Writer. Leader. I'm a tech enthusiast and love all-things productivity. 🚀🚀

In the ideal world, machines are unbiased and objective. However, the humans who engineer these machines are inherently biased.

The idea is part of this collection:

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Selection bias

Studies can suffer from selection bias when people are recruited from a specific group that are not representative of the whole. Scientists select a smaller group to study, but the chosen set isn't random enough and is therefore somehow biased in favor of a specific outcome of th...

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