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DAX MEDIAN Function

The MEDIAN function in Power BI's Data Analysis Expressions (DAX) language calculates the median value from a column of numbers in a table or a column expression. It returns the middle value of a dataset, separating the higher half from the lower half. If there's an even number of values, it returns the average of the two middle values.


Syntax:

MEDIAN(<column>)


Example:

Let's say you have a table named Sales with the following data:


To calculate the median revenue from this data using the MEDIAN function in Power BI's DAX, you would use the following expression:

MedianRevenue = MEDIAN(Sales[Revenue])

When you use this DAX expression, it will return the median revenue value from the Revenue column, which in this case is 200.



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