ATAN

ATAN

How to Use the Power BI DAX function ATAN

Here’s a step-by-step guide on how to use the ATAN function in Power BI DAX:

Step 1: Understand the syntax of the ATAN function

The syntax of the ATAN function is as follows:


ATAN(number)


Where `number` is the value or reference to the cell containing the value for which you want to calculate the arctangent.

Step 2: Create a new measure

To use the ATAN function in Power BI, you’ll need to create a new measure. To do this, go to the Data View in Power BI and select the table that contains the data you want to analyze.

Right-click on the table name and select “New Measure” from the context menu. This will open the formula bar where you can enter the formula for your new measure.

Step 3: Enter the formula using the ATAN function

In the formula bar, enter the formula for your new measure using the ATAN function. For example, if you want to calculate the arctangent of a column named “Angle” in your data, the formula would be:


Arctan = ATAN([Angle])


This will create a new measure named “Arctan” that calculates the arctangent of the “Angle” column in your data.

Step 4: Add the new measure to your visualizations

Once you’ve created your new measure, you can add it to your visualizations. To do this, simply drag and drop the “Arctan” measure onto your visualization.

You can also use the measure in calculations with other measures by referencing it in the formula bar. For example, if you want to calculate the average arctangent of the “Angle” column, the formula would be:


Average Arctan = AVERAGE([Arctan])


The ATAN function in Power BI DAX is a powerful tool for calculating arctangents in your data analysis. By following the steps outlined above, you can use this function to create new measures and visualizations that provide valuable insights into your data.

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