Why native English speakers don't top IELTS
German speakers beat native English speakers on an English test. The reason is who sits the test, and a causal graph shows why the league table can't be fixed with more analysis.
Blog
Writing on causal inference, data analytics, AI and education.
Do small towns really educate children better?
The ONS found children in smaller English towns do better at school. Three readings of the same data, and why only the causal one explains the gap.
Causal AI for business: the quiet revolution changing how companies think
Why companies are moving beyond correlation, and what causal AI changes about how business decisions get made.
Hands-on with Microsoft Copilot: what works (and what doesn't) in business analytics
Testing Microsoft Copilot on real data-analysis tasks during my Masters in Business Analytics: where it helps, and where it falls short.
The human layer: what AI can't replace in data analytics
Reflections from real analytics projects and my Masters on the parts of data analytics that still need a human.