CountDistinctIf

The CountDistinctIf function returns the number of unique values within a column or group for which all given conditions are true. You can use Operators in conditions.

Syntax

CountDistinctIf([field], condition 1, condition 2+...)

The function has the following arguments:

field	(required) The column of values to be counted. Duplicate and Null or empty values are skipped.
condition 1	(required) The condition to test. If the condition is true, then the row will be counted.
condition 2+	(optional) Additional conditions to test. If multiple conditions are used, they must all be True for the row to be counted.

Examples

CountDistinctIf([City], [Population] > 5000)

Finds the number of unique city names where the population is greater than 5000.

CountDistinctIf([City], [Population] 5000 AND [Population] < 10000, [State] = "Ohio")

Finds the number of unique city names where the population is between 5000 and 10,000 and the state is Ohio.