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5. Empty Table Replacer

Empty Table Switch

In this workflow we select one car maker and type of drive wheels. We then move to a CASE Switch to process differently the groups of data.
If you select "alfa romeo" as the car maker and 4wd as the type of wheel drive, the switch branch will have no data.
The Empty Table Switch node then disables the data and prevents the execution of subsequent nodes with no data, thus avoiding errors and warnings.

Workflow: Empty Table Replacer In this workflow we select one car maker and type of drive wheels. We then move to a CASE Switch to process differently the groups ofdata.If you select "alfa romeo" as the car maker and 4wd as the type of wheel drive, the switch branch will have no data.The Empty Table Switch node then disables the data and prevents the execution of subsequent nodes with no data, thus avoidingerrors and warnings. cars-85.csvonly one "make"fwdrwd4wdcount by fuel-typeNode 70Node 71Node 72Flow Variable: wheeldriveselectdrive wheelsselect car makerdefault alfa-romeoSwitch based onflow variablewheeldrive CSV Reader Row Splitter Row Filter Row Filter Row Filter GroupBy Empty Table Switch Empty Table Switch Empty Table Switch Rule EngineVariable Value SelectionWidget Value SelectionWidget CASE Switch Start CASE Switch End Workflow: Empty Table Replacer In this workflow we select one car maker and type of drive wheels. We then move to a CASE Switch to process differently the groups ofdata.If you select "alfa romeo" as the car maker and 4wd as the type of wheel drive, the switch branch will have no data.The Empty Table Switch node then disables the data and prevents the execution of subsequent nodes with no data, thus avoidingerrors and warnings. cars-85.csvonly one "make"fwdrwd4wdcount by fuel-typeNode 70Node 71Node 72Flow Variable: wheeldriveselectdrive wheelsselect car makerdefault alfa-romeoSwitch based onflow variablewheeldrive CSV Reader Row Splitter Row Filter Row Filter Row Filter GroupBy Empty Table Switch Empty Table Switch Empty Table Switch Rule EngineVariable Value SelectionWidget Value SelectionWidget CASE Switch Start CASE Switch End

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Extensions

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

Download Workflow
On NodePit since: 2023-01-23
Last update: 2024-05-02
Created with KNIME version: v4.5.0
Tags: BooksKNIME Advanced LuckEmpty Table SwitchswitchIF-THEN

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