pandas.DataFrame.drop_duplicates
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DataFrame.drop_duplicates(*args, **kwargs)
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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’
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first
: Drop duplicates except for the first occurrence. -
last
: Drop duplicates except for the last occurrence. - False : Drop all duplicates.
take_last : deprecated
inplace : boolean, default False
Whether to drop duplicates in place or to return a copy
Returns: deduplicated : DataFrame
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Licensed under the 3-clause BSD License.
https://pandas.pydata.org/pandas-docs/version/0.19.2/generated/pandas.DataFrame.drop_duplicates.html