How to aggregate data with groupBy in PySpark
Learn to aggregate data with groupBy in PySpark: count, sum and average by group with simple examples and a result you …
4 min
04 Jul 2026
Apache Spark
How to join DataFrames in PySpark: step by step
Learn how to join DataFrames in PySpark step by step: inner and left joins, choosing the right join type and avoiding d…
4 min
04 Jul 2026
Apache Spark
Getting started with PySpark: read and transform data
Getting started with PySpark: create a SparkSession, read a CSV and transform with the DataFrame API, with Python examp…
1 min
13 Feb 2024