pandas.DataFrame.drop_duplicates¶
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DataFrame.
drop_duplicates
(subset=None, keep='first', inplace=False)[source]¶ Return DataFrame with duplicate rows removed, 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
: 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
Returns: - deduplicated : DataFrame