pandas.api.types.is_period(arr)
[source]
Check whether an array-like is a periodical index.
Deprecated since version 0.24.0.
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>>> is_period([1, 2, 3]) False >>> is_period(pd.Index([1, 2, 3])) False >>> is_period(pd.PeriodIndex(["2017-01-01"], freq="D")) True
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https://pandas.pydata.org/pandas-docs/version/0.25.0/reference/api/pandas.api.types.is_period.html