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groupby

Grouping and aggregation operations in PySpark

ProgrammingPySpark: Merge Consecutive Rows by PersonID & JobTitleID

Learn to merge consecutive rows in PySpark DataFrames by PersonID where JobTitleID matches, using pyspark window functions and groupby pyspark to extend pyspark timestamp from min to max. Scalable gaps-and-islands solution with code examples.

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