Time Utility Hierarchies (again) and Attribute Overwrite (by Chris Webb)

A few weeks ago I got emailed by my friend and ex-colleague Jon Axon (who is now - quick plug - working for a startup run by another friend of mine, Data Intelligence, doing cool stuff with pharmaceutical market research data and Analysis Services) highlighting some weird behaviour with calculations generated by the Time Intelligence Wizard. What he did was use the Time Intelligence Wizard to create a time utility hierarchy on the Date dimension in Adventure Works and then add the following, very straightforward previous period growth calculation to it...

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