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thomascamminady/drop_columns_that_are_all_null.py

Created September 20, 2023 07:40
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Polars drop columns that are all null
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drop_columns_that_are_all_null.py
import polars as pl
def drop_columns_that_are_all_null(_df: pl.DataFrame) -> pl.DataFrame:
return _df[[s.name for s in _df if not (s.null_count() == _df.height)]]
# df.pipe(drop_columns_that_are_all_null)
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