pandas.DataFrame.nlargest

Return the first n rows ordered by columns in descending order.

Return the first n rows with the largest values in columns, in descending order. The columns that are not specified are returned as well, but not used for ordering.

This method is equivalent to df.sort_values(columns, ascending=False).head(n), but more performant.

param n

int

Number of rows to return.

param columns

label or list of labels

Column label(s) to order by.

param keep

{‘first’, ‘last’, ‘all’}, default ‘first’

Where there are duplicate values:

• first : prioritize the first occurrence(s)

• last : prioritize the last occurrence(s)

• alldo not drop any duplicates, even it means

  selecting more than n items.

New in version 0.24.0.

return

DataFrame The first n rows ordered by the given columns in descending order.

Warning

This feature is currently unsupported by Intel Scalable Dataframe Compiler