Index.duplicated()

Index.duplicated(*args, **kwargs) [source]

Return boolean np.ndarray denoting duplicate values

Parameters:

Parameters:	keep : {?first?, ?last?, False}, default ?first? `first` : Mark duplicates as `True` except for the first occurrence. `last` : Mark duplicates as `True` except for the last occurrence. False : Mark all duplicates as `True`. take_last : deprecated
Returns:	duplicated : np.ndarray

keep : {?first?, ?last?, False}, default ?first?

take_last : deprecated

Returns:

duplicated : np.ndarray

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2025-01-10 15:47:30

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