Pandas DataFrame: nsmallest() function
DataFrame - nsmallest() function
The nsmallest() function is used to get the first n rows ordered by columns in ascending order.
This method is equivalent to df.sort_values(columns, ascending=True).head(n), but more performant.
Syntax:
DataFrame.nsmallest(self, n, columns, keep='first')
Parameters:
| Name | Description | Type/Default Value | Required / Optional |
|---|---|---|---|
| n | Number of items to retrieve.
|
int | Required |
| columns | Column name or names to order by. | list or str | Required |
| keep | Where there are duplicate values:
|
{‘first’, ‘last’, ‘all’} Default Value: ‘first’ |
Required |
Returns: DataFrame
Example:
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