Prep - Focused and excluded dimensions
In the Metrics Relation definition, you can choose to set a given step to focus on a specific dimension or exclude a dimension
In the Metrics Relation definition, you can choose to set a given step to focus on a specific dimension, this will disable the automatic dimension selection in the computation result.
Focus and Excluded Dimension can be define in Compare (Subheader > KPI > Settings)
![](https://Datama-solutions.github.io//docs/core_app/new/prep/interface/images/prep_focusExcludeDimension.jpg )
Here we can notice that the step Revenue/ Quantity is focused on Country dimension, so Datama will start to explain on this dimension:
![](https://Datama-solutions.github.io//docs/core_app/new/prep/interface/images/prep_focusExcludeDimension2.jpg )
We can also notice that the dimension Category isn’t available anymore for step Growth margin/ Net Revenue
![](https://Datama-solutions.github.io//docs/core_app/new/prep/interface/images/prep_focusExcludeDimension3.jpg)