Dan Stewart’s Reviews > Learning Microsoft Power BI: Transforming Data into Insights > Status Update

While there are some nice tips and the content is set up for beginners, it's not always very clear when the author wants you to play along. I also found a couple of issues, in particular with being unable to apply steps in the transformation stages as relationships between tables had been created in the background, something which isn't addressed until later. It's also out of date, particularly the second half.