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narwhals-dev / narwhals

Lightweight and extensible compatibility layer between dataframe libraries!
https://narwhals-dev.github.io/narwhals/
MIT License
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[Enh]: Preserve null values in old Polars versions for ewm_mean #1405

Open DeaMariaLeon opened 6 days ago

DeaMariaLeon commented 6 days ago

Per https://github.com/narwhals-dev/narwhals/pull/1298#discussion_r1834009043