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Aggregating in PySpark

Now you're ready to do some aggregating of your own! You're going to use a salary dataset that you have already used. Let's see what aggregations you can create! A SparkSession called spark is already in your workspace, along with the Spark DataFrame salaries_df.

说明

100 XP
  • Find the minimum salary at a US, Small company - performing the filtering by referencing the column directly ("salary_in_usd"), not passing a SQL string.
  • Find the maximum salary at a US, Large company, denoted by a "L" - performing the filtering by referencing the column directly ("salary_in_usd"), not passing a SQL string.