If you have not yet introduced yourself to the basic concepts of flex.bi then please start with an overview of flex.bi concepts and learn how to analyse and create reports. This tutorial will explain how to define new calculated members using MDX calculation formulas.
If you have never worked with MDX before, we suggest you watch this video: MDX basic concepts
Dimensions and hierarchies
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When you expand the All hierarchy level members then you see names of all the main hierarchy levels. You can reference a particular hierarchy level with [dimension or hierarchy name].[level name]. E.g. [Customers].[City] references the City level of the main hierarchy of the Customers dimension.
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