~/talk

Why No Model Is A Black Box

Talkat Big Data LDN 2022 · 2022-09-21..09-22· [machine-learning]
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slides:none on file

Claim: any model can be explained using model-agnostic methods rather than declaring neural nets “black boxes.” The session demonstrates permutation importance, partial dependence plots, SHAP and DataRobot’s faster ZEMP as concrete tools, cites McKinsey adoption stats (78% embed AI; 22% report >5% revenue), shows a British Airways driver-analysis and an A/B tested call-centre deployment that raises outcomes when explanations accompany scores, and quantifies SHAP’s combinatorial cost (20 variables → ~1M model evaluations) motivating ZEMP.

AI-written summary · about

  1. 0:00Introduction and speaker background
  2. 2:05AI’s growing business impact
  3. 6:20Why AI projects succeed or fail
  4. 9:49The black box debate explained
  5. 13:21Model agnostic explainability methods
  6. 14:25Permutation importance for business
  7. 16:31Partial dependence for insights
  8. 17:54SHAP values and their power
  9. 20:02Zemp for real-time explanations
  10. 21:51Rethinking black box models
  11. 23:59Key takeaways and closing
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