DataFrame.duplicated(self, subset=None, keep=‘first‘)
Return boolean Series denoting duplicate rows, optionally only considering certain columns.
| Parameters: |
- subset : column label or sequence of labels, optional
-
Only consider certain columns for identifying duplicates, by default use all of the columns
- keep : {‘first’, ‘last’, False}, default ‘first’
-
first : Mark duplicates as True except for the first occurrence.last : Mark duplicates as True except for the last occurrence.- False : Mark all duplicates as
True.
|
|---|
| Returns: |
- Series
|
|---|
pandas.DataFrame.duplicated
原文：https://www.cnblogs.com/zjuhaohaoxuexi/p/11914735.html
