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Create tree from levels

Use Column Expressions to derive a "tree" structure

and so on based on being supplied just the level number.

This presupposes that the level number only ever increments one at a time, although it may drop by more than 1 to a lower level

Set up sample data from forum Compare with expected results Sample Datafrom forumSample Tree (Output)Cumulatively process"treeOutput"compare with expected resultsSample Level (Input)columngood rows to TOPfailed rows to BOTTOM(BOTTOM should be empty!) DelimitedText Reader Column Filter Column Expressions Column Appender Column Filter Rule-basedRow Splitter Set up sample data from forum Compare with expected results Sample Datafrom forumSample Tree (Output)Cumulatively process"treeOutput"compare with expected resultsSample Level (Input)columngood rows to TOPfailed rows to BOTTOM(BOTTOM should be empty!) DelimitedText Reader Column Filter Column Expressions Column Appender Column Filter Rule-basedRow Splitter

Nodes

Extensions

Links

Download

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

Download Workflow
Created by: bbate
Created at: 2024-07-07
On NodePit since: 2024-07-08
Last update: 2026-01-22
Created with KNIME version: v5.2.4

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