# Nadia's Q3 Revenue by Region — Chapter 7 Worked Example | The Defensible Decision > The regional-revenue dataset behind Nadia's hand-built vs Copilot-first-draft comparison in Chapter 7 of The Defensible Decision. One quarter, four regions, $28.4M on plan — and one region hiding a material miss. Canonical URL: https://www.thedefensibledecision.com/datasets/nadia-q3-region/ [Teaching Datasets](/datasets/) / Nadia's Q3 Revenue by Region — Chapter 7 Worked Example The regional-revenue dataset behind Nadia's hand-built vs Copilot-first-draft comparison in Chapter 7 of The Defensible Decision. One quarter, four regions, $28.4M on plan — and one region hiding a material miss. ### Files Markdown files open in the browser. Data files download directly. [Markdown README.md 3.3 KB](/datasets/nadia-q3-region/README.md) [Markdown SCHEMA.md 1.6 KB](/datasets/nadia-q3-region/SCHEMA.md) [CSV nadia-q3-region.csv 129 B](/datasets/nadia-q3-region/nadia-q3-region.csv) [JSON nadia-q3-region.json 2.0 KB](/datasets/nadia-q3-region/nadia-q3-region.json) Start with [README.md](/datasets/nadia-q3-region/README.md) for purpose and limitations, then use [SCHEMA.md](/datasets/nadia-q3-region/SCHEMA.md) for field definitions.