Data transformation

Tags: Data science Machine learning

neglog

This is called neglog, log-modulus or sign-preserving log.

f(x) = sign(x) * log(abs(x) + 1)

Power transform

• Box-Cox transformation
  • https://builtin.com/data-science/box-cox-transformation-target-variable
  • https://www.statisticshowto.com/probability-and-statistics/normal-distributions/box-cox-transformation/
• Yeo-Johnson transformation

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