How does the COUNTAX function (DAX) work?
The COUNTAX function (DAX) counts nonblank results when evaluating the result of an expression over a table. It is used to iterate through the rows in a table and count rows where the specified expressions results in a non-blank result.
COUNTAX Formula Syntax
How do you use the COUNTAX function?
The COUNTAX function counts cells containing any type of information, including other expressions.
For example, if the column contains an expression that evaluates to an empty string, the COUNTAX function treats that result as non-blank. Usually the COUNTAX function does not count empty cells but in this case the cell contains a formula, so it is counted.
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Considerations when using the COUNTAX function
The COUNTAX can operate on a Boolean data type. Whenever the function finds no rows to aggregate, the function returns a blank.
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Formula examples using the COUNTAX function
= COUNTAX ( FILTER (Results, Results[Season] = “Summer”), Results[Medal] )
= COUNTAX ( FILTER ( Orders, Orders[Customer ID] = EARLIER ( Orders[Customer ID] ) ), [Customer ID] )