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Calculate conditional mode with criteria in Excel

To calculate a conditional mode with one or more criteria you can use an array formula based on the IF and MODE functions.

Note: this is an array formula and must be entered with control + shift + enter.




In the example shown, the formula in F5 is:


where “group” is the named range B5:B14, and “data” is the named range C5:C14.

How this formula works

The MODE function has no built-in way to apply criteria. If you give it a range, it will return the most frequently occurring number in the range.

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To apply criteria, we use the IF function to test each data value in “group” to see if it matches the value in E5 (“A”):


Because the logical test is based on an array containing multiple values (the named range “group”), the result is an array of TRUE FALSE results:


where each TRUE represents a row where the group is “A”. This array acts as a filter: for each TRUE, IF returns the corresponding value in the named range “data”. FALSE values remain unchanged. The final result of IF is this array:


Notice only data values in group A have “survived”; group B values are now FALSE. This array goes into the MODE function, which returns the most frequently occurring number in group A, which is 3.

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Note: when IF is used this way to filter values with an array operation, the formula must be entered with control + shift + enter.

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Additional criteria

To apply more than one criteria, you can nest another IF inside the first IF:


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