databricks.koalas.MultiIndex.has_duplicates

property MultiIndex.has_duplicates

If index has duplicates, return True, otherwise False.

Examples

>>> idx = ks.Index([1, 5, 7, 7])
>>> idx.has_duplicates
True

>>> idx = ks.Index([1, 5, 7])
>>> idx.has_duplicates
False

>>> idx = ks.Index(["Watermelon", "Orange", "Apple",
...                 "Watermelon"])
>>> idx.has_duplicates
True

>>> idx = ks.Index(["Orange", "Apple",
...                 "Watermelon"])
>>> idx.has_duplicates
False

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