Problem Statement

Find the top   N   salaries in each department,   where   N   is provided as a parameter. Use this data as a formatted internal data structure (adapt it to your language-native idioms, rather than parse at runtime), or identify your external data source:

Let's start with the solution:

import delimited employees.csv
local k 2
bysort department (salary): list salary if _N-_n<`k'