In the Knowledge Builder, from the Edit menu select ‘Attributes’.
Select the Attribute at which the Merged Attribute will be positioned.
You can then either click on the icon or right click on the Attribute and select ‘Add merged attribute…’
Enter a name for the Merged Derived Attribute and click OK.
Add each Attribute to be included in the Merged Derived Attribute. Select the Attribute from the drop down menu and enter the scale factor to be applied.
Click on ‘Close’. The Merged derived Attribute will now appear in the list.
icon or right click on the Attribute and select ‘Add merged attribute…’
