DataFrame.duplicated()

DataFrame.duplicated(*args, **kwargs) [source]

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.

take_last : deprecated

Returns:

duplicated : Series

doc_Pandas
2017-01-12 04:45:46
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