pandas.Series.unique¶
-
Series.
unique
()[source]¶ Return unique values in the object. Uniques are returned in order of appearance, this does NOT sort. Hash table-based unique.
Parameters: values : 1d array-like
Returns: unique values.
- If the input is an Index, the return is an Index
- If the input is a Categorical dtype, the return is a Categorical
- If the input is a Series/ndarray, the return will be an ndarray
See also