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DataFrame.drop_duplicates(*args, **kwargs)

Return DataFrame with duplicate rows removed, optionally only considering certain columns


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.

take_last : deprecated

inplace : boolean, default False

Whether to drop duplicates in place or to return a copy

cols : kwargs only argument of subset [deprecated]


deduplicated : DataFrame