Suppressing Duplicate Key Values in a Summary in Data Prep Studio
Suppressing duplicate values reduces the amount of visual clutter in a report and helps to emphasize details. Monarch Data Prep Studio includes this facility, allowing you to suppress duplicate values for any key field in a summary.
For instance you can suppress duplicate Buyer Name values in this example:

To have a summary that looks like this:

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      Select the summary with field names you wish to modify and then click Edit Summary. The Edit Summary dialog displays. 
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      Click on the  Edit icon located the to left of a field whose duplicates you wish to suppress. Edit icon located the to left of a field whose duplicates you wish to suppress.The Field Properties dialog displays. 
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      In the Layout tab, use the Key Values drop-down to select Suppress Duplicates.  
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      Click OK to close the Field Properties dialog and then click OK on the Edit Summary dialog. Your summary displays without duplicate rows. 
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