March 2019
Beginner
504 pages
11h 17m
English
Content preview from Learning Tableau 2019 - Third Edition
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Working with different levels of detail
Remember that the two keys of good are as follows:
- Having a level of detail that is meaningful
- Having measures that match the level of detail or that are possibly at higher levels of detail
Measures at lower levels tend to result in wide data, and can make some analysis difficult or even impossible. Measures at higher levels of detail can, at times, be useful. As long as we are aware of how to handle them correctly, we can avoid some pitfalls.
Consider, for example, the following data (included as Apartment Rent.xlsx in the Chapter 9 directory), which gives us a single record each month per apartment:
The two measures are really at different levels of detail:
- Rent Collected matches the level of ...
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