Calculated Field basics
A Calculated Field is a new field in your data source. It can have any data type. You can build a calculated Measure or Dimension. To differentiate a field from the Calculated Field, each data type icon has a small equals symbol in front of it, as you can see in the following screenshot:
![](https://static.packt-cdn.com/products/9781788838689/graphics/e11f7530-ac15-4059-937e-c2d6de384b6f.png)
Let's start by learning how to create a Calculated Field.
Creating a Calculated Field
To create a new Calculated Field, go through the following steps:
- Click on the small arrow next to
Dimensions
in theData
pane, highlighted in the following screenshot:Â
![](https://static.packt-cdn.com/products/9781788838689/graphics/d429e2ef-8ce4-462c-a00f-ea05e4eb3d29.png)
It's also possible to right-click on a field and go to Create
 to start a new Calculated Field
based on this field. You can edit a Calculated Field when you right-click on it.
- When you create a new Calculated Field, a new window opens where you have to write a formula. The formula can be based on other fields, calculated or not, and use functions.
- On the right, when you click on the arrow, you can open the list of functions.
- When you write...