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упражнение

What shall you use?

Do you think you know when to use which function? Let's put your knowledge to a test!

The wages dataset, and the DataFrames and Statistics packages have been loaded for you.

Инструкции

100 XP
  • Mutate wages by adding a column containing the median of CPI_average.
  • Select the new column, renaming it as med_CPI, the year column, and column containing the sum of federal_min_wage column, changing the DataFrame in place.
  • Use the maximum function on wages in such a way that the result has only one line and one column, containing the maximum of the year column.