Tagged “ab-testing”

2 posts.

All Model Architecture23 Training & Alignment22 Inference & Serving24 Agents & Orchestration13 Reasoning & Evaluation28 Safety, Security & Governance9 Platforms & Practice22

Platforms & Practice 27 min

Four Ways an A/B Test Lies: Power, Peeking, Sample Ratio Mismatch and Interference

At Microsoft, roughly one third of tested ideas move the metric in the intended direction. That number is only meaningful if the tests are trustworthy, and the four failure modes that destroy trustworthiness all produce a clean, …

experimentation ab-testing causal-inference statistics ∑ ◫

Reasoning & Evaluation 24 min

Twenty Tests, One False Discovery: Multiple Testing From Bonferroni to the False Discovery Rate

A dead Atlantic salmon, scanned in 2009, showed 16 'active' voxels at p below 0.001; every procedure that controlled an error rate across the family found none. This is the argument over what that error rate should be, from Holm …

statistical-inference statistics experimentation ab-testing ∑ ◫