Creating a parameter is similar to creating a calculated field.
There are multiple ways to create a parameter in Tableau:
- Use the drop-down menu next to Dimensions in the data pane.
- Right-click on an empty area in the data pane and select Create Parameter Field.
- Use the drop-down menu on a field, set, or parameter in the data pane and select Create | Parameter...
In the last case, Tableau will create a parameter with a list of potential values based on the domain (distinct values) of the field. For fields in the data pane that are discrete (blue) by default, Tableau will create a parameter with a list of values matching the discrete values of the field. For fields in the data pane that are continuous (green), Tableau ...