Overall discussion for Tip 2

This is to discuss outstanding issues for Tip 2: Use traditional methods to establish performance baselines, https://github.com/Benjamin-Lee/deep-rules/blob/master/content/04.baselines.md.

Read content/04.baselines.md first, then review this issue's discussion to identify which outstanding points are actionable. Done is a clearly agreed set of edits to Tip 2 and an updated document, but the issue does not specify the changes or validation steps.

Written by the indexing model from the issue text.