Guy in a Cube - YouTube Videos

 Use DAX to Get Relative Dates: https://www.youtube.com/watch?v=wQ9DohPvx8Q

Making Data Source Parameters Easy: https://www.youtube.com/watch?v=OnaDJkGOmIE

Dynamic Power BI reports using Parameters: https://www.youtube.com/watch?v=iiNDq2VrZPY

Call stored proc, get parameters from Excel.

Populate a Power BI parameter list using a query

https://www.youtube.com/watch?v=7TfV8qTUyfU&t=13s

The How and Why of Power BI Aggregations

https://www.youtube.com/watch?v=EhGF372t0sU

Configure Power BI Aggregations

https://www.youtube.com/watch?v=kytYzjTXUHs

How to Use the Power BI Aggregation Features - Christian Wade

https://www.youtube.com/watch?v=RdHSo43LkQg

Build a Date Picker (uses popup calendar and TREATAS)

https://www.youtube.com/watch?v=zhWtU0DynCk

NEXT LEVEL Power BI Date Picker!

https://www.youtube.com/watch?v=mXi8sMmOOTU