I'm kind of new to Tableau, so I apologize if this is a very basic question.
I want to create a table where the user can pick the dimension he wants to see. In order to achieve this, first I have created the following parameter:
Second, I've tried to create the calculated dimension like this:
I am attempting to use the ATTR function because the necessary fields (Provincia and Poblacion) are not in the primary data source:
...But I've read that, as I'm using the ATTR function, that cannot be interpreted as a dimension. So I honestly don't know what to try next.
Thank you very much.
The solution to your question likely lies in how the join is occurring. Jonathan Drummey's reply here is probably a great place to start:
Using other data source dimension in calculated field
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