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Cover image for #95 — Identify Duplications of Simple Members
Judith-Excel-Sharing
Judith-Excel-Sharing

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#95 — Identify Duplications of Simple Members

Problem description and analysis:

Here below is a data table of names:

source table

Task: Identify whether there are duplicate names, if so, fill in 1 in the corresponding Dup field, otherwise fill in 0.

Solution:

Use SPL XLL and enter the formula in cell B2:

=spl("=if(?1.conj().select(~==?2).count()>1,1,0)",A$2:A$6,A2)
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Then drag B2 down to every relevant row:

result table


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