Add Dataset.subset() method for type-stable variable selection #10942
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Addresses issue pydata#3894 by providing a public API for selecting multiple variables that always returns a Dataset (unlike __getitem__) and accepts sequence types including tuples. This eliminates the need to convert tuples to lists when subsetting variables and provides better type stability for downstream code. Unlike using __getitem__ with a list, an explicit method is more discoverable through IDE autocomplete and documentation. Co-authored-by: Claude <noreply@anthropic.com>
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Addresses issue #3894 by providing a public API for selecting multiple variables that always returns a Dataset (unlike
__getitem__) and accepts sequence types including tuples. This eliminates the need to convert tuples to lists when subsetting variables and provides better type stability for downstream code.Unlike using
__getitem__with a list, an explicit method is more discoverable through IDE autocomplete and documentation.whats-new.rstapi.rst