Olivier Krieger, Author at Emerging Minds

(10) – Into the Forest: How “Ensemble Methods” Supercharge Decision Trees

From Bagging to Boosting—discovering the wisdom of the crowd in Machine Learning. Last week in my Machine Learning Professional Certificate, we took…

Mar 19, 2026 3 min

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Education ML

(9) – The “White Box” of AI: Demystifying Decision Trees

From If-Then logic to Information Gain—my deep dive into Module 9. Two weeks ago, I started Module 9 of my Machine Learning…

Mar 12, 2026 3 min

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Readings

Stop Applying, Start Connecting: A Guide to the 2-Hour Job Search

“The 2-Hour Job Search” by Steve Dalton provides a data-driven, systematic approach to bypass the “black hole” of online job applications. Most…

Mar 10, 2026 3 min

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Education ML

(8) – Tell Me Who Your Neighbors Are: The Power and Pitfalls of k-NN

Learning from similarity, the “Curse of Dimensionality,” and why you should always scale your data. This week marks the beginning of Phase…

Mar 9, 2026 3 min

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Education ML

(7) – Leveling Up: Surviving Imbalanced Data and Advanced Model Evaluation

How to handle rare events, master k-fold cross-validation, and the million-dollar Zillow prize. Last week, I reached the final instructional module of…

Feb 23, 2026 3 min

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Education ML

(6) – The Judge and Jury: Evaluating How Good Your Model Actually Is

From Confusion Matrix to Lift Charts—my deep dive into measuring predictive performance. This week, I tackled Module 6: Basics of Predictive Performance…

Feb 6, 2026 2 min

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