#103 — Deduplication of Row-Based Data — by Key Column — Keeping the Original Order

PublishedNovember 25, 2024

•1 min read

#103 — Deduplication of Row-Based Data — by Key Column — Keeping the Original Order

esProc SPL is a JVM-based programming language designed for structured data computation, serving as both a data analysis tool and an embedded computing engine. FREE download👉🏻: https://www.esproc.com/download-esproc

Problem description & analysis:

There is a data table:

Task: Find out the data that are not duplicate and the first duplicate data in the Name column:

Solution:

Use SPL XLL and enter the following formula:

=spl("=E(?1).group@u(Name).(~(1))",A1:D7)

The results are as shown:

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Problem description & analysis:

Solution:

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