README.md

Note, Learning and Newsletter

A collection of my shared learning and notes; some of these are also published on substack.

Any insights or feedback are greatly appreciated.

Contents

• SQL Combines YoY and Pre/Post Comparison
• Identify 80/20 Key Contributors of Metric Variance in Google Sheet Template
• Power Analysis visualization in A/B testing
• Relearning AB Testing 1: Experimentation at B2B
• How We Reading MMM Results: ROI and Scale