fix: adjust duckdb population skewness by correction factor to get sample skewness #2021
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FBruzzesi
added
bug: incorrect result
FBruzzesi
changed the title
FBruzzesi
commented
Feb 15, 2025
MarcoGorelli
approved these changes
Feb 16, 2025
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What type of PR is this? (check all applicable)
Why
duckdb natively returns population skewness, while polars and all other return sample skewness. This PR add the correction factor to match the outputs
How
Discovered while running sqlframe with duckdb backend