-
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 asTrue
except for the first occurrence. -
last
: Mark duplicates asTrue
except for the last occurrence. - False : Mark all duplicates as
True
.
take_last : deprecated
Returns: duplicated : Series
-
DataFrame.duplicated()
2017-01-12 04:45:46
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