Migrate RecursiveFeatureAddition to narwhals, add polars support - #1083

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solegalli wants to merge 4 commits into

narwhals-migrationfrom

narwhals-recursive-feature-addition

Commits on Sep 19, 2026

Migrate the selection base classes and helpers to narwhals, add polars support

solegalli
and
claude
committed
cd7f30b
Return an empty dataframe on polars when a selector drops every feature

solegalli
and
claude
committed
8a105e3
Migrate RecursiveFeatureAddition to narwhals, add polars support

solegalli
and
claude
committed
b463fc1
Mark polars output blocks in the user guide as text

solegalli
and
claude
committed
dca28a5