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.
Den här övningen är en del av kursen
Data Manipulation in Julia
Övningsinstruktioner
- Mutate
wagesby adding a column containing the median ofCPI_average. - Select the new column, renaming it as
med_CPI, theyearcolumn, and column containing the sum offederal_min_wagecolumn, changing the DataFrame in place. - Use the
maximumfunction onwagesin such a way that the result has only one line and one column, containing the maximum of theyearcolumn.
Interaktiv övning med praktiskt arbete
Testa den här övningen genom att slutföra den här exempelkoden.
# Add column containing the median of CPI_average
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# Select CPI_average_median as med_CPI, year, federal_min_wage column
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# Create a 1x1 DataFrame containing the maximum of the year column
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