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GroupBy_​FlowVariables

Using Flow Variables with GroupBy

In order to use the GroupBy node dynamically, you will need to convert your group columns, aggregate columns, and methods of aggregation into list variables. This workflow shows a simple example of how to do this.

Methods of AggregationGroupsAggregate ColumnsConverting to List of GroupsConverting to List of AggregatesConverting to List of Aggregates"Groups""Aggregates""Methods"GroupBy Table Creator ExtractColumn Header Transpose Row Filter Row Filter GroupBy GroupBy GroupBy Table Rowto Variable Column Rename Column Rename Column Rename Table Rowto Variable Table Rowto Variable Merge Variables Table Creator Methods of AggregationGroupsAggregate ColumnsConverting to List of GroupsConverting to List of AggregatesConverting to List of Aggregates"Groups""Aggregates""Methods"GroupBy Table Creator ExtractColumn Header Transpose Row Filter Row Filter GroupBy GroupBy GroupBy Table Rowto Variable Column Rename Column Rename Column Rename Table Rowto Variable Table Rowto Variable Merge Variables Table Creator

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To use this workflow in KNIME, download it from the below URL and open it in KNIME:

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Created by: stephen.rauner
Created at: 2021-08-04
On NodePit since: 2021-08-05
Last update: 2026-01-07
Created with KNIME version: v4.4.0
Tags: GroupByDynamic

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