Good day!
Thank you for question clarification.
Let’s go step by step.
- Getting data from Google Analytics:
Yes, it is possible with Power BI - you need to use a GA connector.
Some related videos:
https://www.youtube.com/watch?v=UJSapgwy5GQ
https://www.youtube.com/watch?v=PHoA0FkK4Pg - In case you’d like to get data from other marketing systems - need to check how to do it. With the help of PBI or custom connector, API or some other way.
- Coming back to Tableau video and last 4 columns in their sheet. You could do different calculations in Power BI, using:
- Power Query
- DAX (measures) and also different techniques for prediction and modeling
- Calculated columns
- or use Python or R scripts
some samples of Linear calculations without R or Python:
https://iterationinsights.com/article/linear-regression-in-power-bi/
https://www.youtube.com/watch?v=d1kHgFULcko
https://community.powerbi.com/t5/Community-Blog/Linear-Interpolation-with-Power-BI/ba-p/341202