Timo Zishiri gives a new spin to a common warehousing problem:
In these cases, the measure may be aggregated across dates by averaging over the number of periods, e.g., average daily inventory levels. Measures can also be aggregated across dates by taking the maximum/minimum for the time interval.
More specifically, this blog focuses on an alternative approach to providing end users with the ability to do point-in-time analysis, so-called trend analysis.
Click through to see how a timespan table would work.