pandas.Series.duplicated¶
-
Series.
duplicated
(keep='first')[source]¶ Return boolean Series denoting duplicate values
Parameters: keep : {‘first’, ‘last’, False}, default ‘first’
first
: Mark duplicates asTrue
except for the first occurrence.last
: Mark duplicates asTrue
except for the last occurrence.- False : Mark all duplicates as
True
.
Returns: duplicated : Series