pandas.Series.unique¶
Return unique values of Series object.
Uniques are returned in order of appearance. Hash table-based unique, therefore does NOT sort.
- return
ndarray or ExtensionArray The unique values returned as a NumPy array. See Notes.
Limitations¶
Return values order is unspecified
- This function may reveal slower performance than Pandas* on user system. Users should exercise a tradeoff
between staying in JIT-region with that function or going back to interpreter mode.