Problem description & analysis:
There is a data table:
Task: Find out the data that are not duplicates and the first duplicate data in the Name column.
Solution:
Use SPL XLL and enter the following code:
=spl("=E(?1).group(Name).(~(1))",A1:D7)
The results are shown below:
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✨Plugin Installation Method: SPL XLL Installation and Configuration
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