Support expected_groups in groupby_scan #479
Description
What do we do for group 0 when a user says grouped_scan(np.array([1, 2, 3], by=[0, 1, 2], expected_groups=[1, 2])?
{{ message }}
Support
expected_groups in groupby_scan #479What do we do for group 0 when a user says grouped_scan(np.array([1, 2, 3], by=[0, 1, 2], expected_groups=[1, 2])?