April 20, 2022, 12:22 p.m. | Peter Licari, PhD

Towards Data Science - Medium towardsdatascience.com

Multiple comparisons are hard. Which adjustment best deals with both false positives and false negatives?

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TL;DR:

  • It is common in real-world contexts to do many significance tests at once. However, this translates into a greater likelihood of finding a false-positive relationship. There are a host of p-value adjustments that look to control for this, but they are often too conservative and have very high false-negative rates–especially when performing hundreds or thousands of tests.
  • I …

data science p-value simulations statistics value

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