DataFrame.drop_duplicates(self, subset=None, keep='first', inplace=False)
Return DataFrame with duplicate rows removed, optionally only considering certain columns. Indexes, including time indexes are ignored.
| 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 : Drop duplicates except for the first occurrence.last : Drop duplicates except for the last occurrence.- False : Drop all duplicates.
- inplace : boolean, default False
-
Whether to drop duplicates in place or to return a copy
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| Returns: |
- DataFrame
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