Pandas Series: duplicated() function
Indicate duplicate Series values
The duplicated() function is used to indicate duplicate Series values.
Duplicated values are indicated as True values in the resulting Series. Either all duplicates, all except the first or all except the last occurrence of duplicates can be indicated.
Syntax:
Series.duplicated(self, keep='first')
Parameters:
| Name | Description | Type/Default Value | Required / Optional |
|---|---|---|---|
| keep |
|
{‘first’, ‘last’, False}, Default Value: ‘first’ |
Required |
Returns: Series indicating whether each value has occurred in the preceding values.
Example:
Download the Pandas Series Notebooks from here.
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