» Counting Values that Appear Only Once in
CATEGORY - Excel Counting
VERSION - All Microsoft Excel Versions
Problem:Counting the number of values in List1 (column A) that appear only once within the list.
Solution:
Use the SUM, IF, and COUNTIF functions as shown in the following Array formula:
{=SUM(IF(COUNTIF(A2:A7,A2:A7&"")=1,1,0))}
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