Power BI has two types of parameters: Power Query and What if parameters. In this video, I will explain a very useful use case of the what-if parameters, and if you haven't ever worked with it, it is a great way to understand what-if parameters are and what you can do with them. The What If parameters are also called informally as DAX parameters.
find the codes from my blog article here:
radacad.com/power-bi-what-if-parameter-for-getting-the-sales-of-x-months-ago-use-case-scenario
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