PySpark Select First Row of Each Group?

In PySpark select/find the first row of each group within a DataFrame can be get by grouping the data using window partitionBy() function and running row_number() function over window partition.…

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April 3, 2021

Apache Spark

Spark DataFrame Select First Row of Each Group?

In this Spark article, I've explained how to select/get the first row, min (minimum), max (maximum) of each group in DataFrame using Spark SQL window functions and Scala example. Though…

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September 26, 2019