This video is embedded from Youtube and here’s the original one.

0:00 Intro
0:17 Data flow description
0:28 Data Blending in Google Data Studio
1:12 Adding a new data source
2:50 Adding a data view to combine 2+ data sources
5:35 Calculated fields in Google Data Studio
5:56 WEEKDAY() function in Data Studio
7:45 Using CASE, WHEN, THEN in calculated fields
9:57 The end

Coupler.io: https://workspace.google.com/marketplace/app/couplerio/532272210531
Personal copy of the practice sheet: https://docs.google.com/spreadsheets/d/1F5A2Oaajv1KhLRcE5aGt9c9bDMsuvIU9nlyP78-UTHI/edit#gid=2047613745