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For your intended purpose to provide an evidence base that your measurement approach ("Diff Delta") is better than other alternatives, I am of the opinion that you have clearly demonstrated its superiority.
Leading Researcher
Author Software Metrics and Software Metrology, Wiley

The canonical "Start Here" demo: A GitClear overview for new users

This 14 minute video covers Diff Delta, the Commit Activity Browser, how to accelerate developer onboarding, pull request collaboration stats, how to run experiments with the "Velocity" tab, and how to use GitClear to reduce tech debt.

Micro-demos

GitClear demos for specific audiences, in 5 minutes or less.