Type-Hinting DataFrames for Static Analysis and Runtime Validation

How StaticFrame Enables Comprehensive DataFrame Type Hints

Since the advent of type hints in Python 3.5, statically typing a DataFrame has generally been limited to specifying just the type:

def process(f: DataFrame) -> Series: ...

This is inadequate, as it ignores the types contained within the container. A DataFrame might have string column labels and three columns of integer, string, and floating-point values; these characteristics define the type. A function argument with such type hints provides developers, …

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