Migrate StringSimilarityEncoder to narwhals, add polars support - #1031

Merged

solegalli merged 7 commits into

narwhals-migrationfrom

narwhals-similarity-encoder

Sep 16, 2026

Commits on Sep 15, 2026

Migrate StringSimilarityEncoder to narwhals, add polars support

solegalli
and
claude
committed
a0e168c
Adapt StringSimilarityEncoder to narwhals-returning check_X

solegalli
and
claude
committed
4a94d38
Use shared backend test fixtures and helpers in StringSimilarityEncoder tests

solegalli
and
claude
committed
458eafa
Use frame_to_dict after the shared helper rename in #1045

solegalli
and
claude
committed
8047901
Check missing_values type, group StringSimilarityEncoder init tests, match errors

solegalli
and
claude
committed
c3cebf0
Match the fixed get_feature_names_out error message

solegalli
and
claude
committed
4ea044b

Commits on Sep 16, 2026

refactor enc dict at the end
solegalli
committed
569ffca