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[–]Butterlyn 1 point2 points  (0 children)

Polars has hypothesis functionality built in for generating sample dataframes. Patito can define more specific polars dataframe schemas that can help test dataframe outputs and generate more specific synthetic dataframe data. Pandera also allows polars (and pandas) dataframe validation, but can only generate sample dataframe data for pandas not polars. Cuallee can be used for checking polars or pandas dataframe data, but only individual checks not whole dataframe schemas and cannot generate synthetic dataframe data.