Calculated Measures from Multiple Data Sources
Another reason to employ a DAX calculation is in the creation of a new measure from multiple data sources. From the example download, Chatper04\DAX Measures.xlsx is a sample workbook containing a trivial amount of data from a fictional Internet retailer. The workbook contains data for both product sales (SalesFacts) and page views from the company web site (PageViewFacts).
The Business Problem
While the example workbook contains data for both sales and web activity, as is often the case in real work, both datasets are needed for the calculation of a value not stored in either source. For example, one of the management team for a fictitious web retailer believes understanding how many page views occur ...
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