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01 - Missing Values Example

This workflow shows how KNIME deals with Missing Values.

We replace them based on data type for the column PO Date and for a specific column where we use the Mean Value for the quantities.

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Don't bother too much with the Exclamation Mark at the status / traffic light. It just shows awarning, but the node executes anyway. import datasetwith missingvaluesconvert PO Date columnto data typedatereplace missingPO Date values withnext date andmissing quantitieswith mean valueusemissing valueto deleteunwanted"Totals" RowExcel Reader String to Date&Time Missing Value Row Filter Don't bother too much with the Exclamation Mark at the status / traffic light. It just shows awarning, but the node executes anyway. import datasetwith missingvaluesconvert PO Date columnto data typedatereplace missingPO Date values withnext date andmissing quantitieswith mean valueusemissing valueto deleteunwanted"Totals" RowExcel Reader String to Date&Time Missing Value Row Filter

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