Power Pivot Principles: The A to Z of DAX Functions – COUNT
30 August 2022
In our long-established Power Pivot Principles articles, we continue our series on the A to Z of Data Analysis eXpression (DAX) functions. This week, we look at COUNT.
The COUNT function
This function counts the number of rows in a specified column that contain any of the following kinds of values:
The COUNT function employs the following syntax to operate:
The COUNT function has just the one argument:
- column: this is required and represents the column (field) containing the values to be counted.
It should be further noted that:
- when the function finds no rows to count, it returns a blank
- blank values are skipped. TRUE / FALSE values are supposedly not supported, but do note the example below
- this function is not supported for use in DirectQuery mode when used in calculated columns or row-level security (RLS) rules.
Consider the following Table called Example, with just the field, List:
Let’s create a simple measure:
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