@funk Integrated Diabetes has a great write up here:
https://integrateddiabetes.com/basal-testing/
Also on the forum here @TiaG has a discussion about Samson that might be interesting for you as well. The main subject is about Looping but without proper Basal settings Loop has a harder time staying in Auto as I understand it (and I could be wrong)
looping-and-extremely-frustrated-with-settings-maybe-someone-here-has-suggestions