Discussion Board for collaboration related to Creating Analytics for QlikView.
Can try this:
In chart Expression:
Even in script also we can use
=if( len([Text] < 0, 'Testing', [Text])
Might be worth to challenge your datamodel.
Are you supposed to have missing entries, or can you fix somehow in the script by reducing linked fields (e.g. using LEFT JOIN or LEFT KEEP).
Can you post an example in order to validate, whether it comes from data or from the datamodel?