Exercise

Column operations - creating and renaming columns

The census dataset is still not quite showing everything you want it to. Let's make a new synthetic column by adding a new column based on existing columns, and rename it for clarity.

Remember, there's already a SparkSession called spark in your workspace!

Instructions

100 XP

Create a new column, "weekly_salary", by dividing the "income" column by 52.
Rename the "age" column to "years".
Show the resulting DataFrame.

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Instructions

Exercise