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24 posts tagged with "python"
post

Stats with Python: Rank Correlation

February 06, 2021  |  8 min read

The correlation coefficient is a familiar statistic, but there are several variations whose differences should be noted. This post recaps the definitions of these common measures.

post

Custom Objective for LightGBM

November 22, 2020  |  6 min read

If you want to use a custom loss function with a modern GBDT model, you'll need the first- and second-order derivatives. This post shows how to implement them, using LightGBM as an example