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The Machine Learning “Advent Calendar” Day 8: Isolation Forest in Excel

The Machine Learning “Advent Calendar” Day 8: Isolation Forest in Excel

by Dr. Owns | Dec 8, 2025 | Analytics, Artificial Intelligence, Data and Information, Decision Support

Isolation Forest may look technical, but its idea is simple: isolate points using random splits. If a point is isolated quickly, it is an anomaly; if it takes many splits, it is normal. Using the tiny dataset 1, 2, 3, 9, we can see the logic clearly. We build several...
The Machine Learning “Advent Calendar” Day 8: Isolation Forest in Excel

The AI Bubble Will Pop — And Why That Doesn’t Matter

by Dr. Owns | Dec 8, 2025 | Analytics, Artificial Intelligence, Data and Information, Decision Support

How history’s biggest tech bubble explains where AI is headed next The post The AI Bubble Will Pop — And Why That Doesn’t Matter appeared first on Towards Data Science. ​How history’s biggest tech bubble explains where AI is headed next The post The AI Bubble Will...
The Machine Learning “Advent Calendar” Day 8: Isolation Forest in Excel

How to Create an ML-Focused Newsletter

by Dr. Owns | Dec 8, 2025 | Analytics, Artificial Intelligence, Data and Information, Decision Support

Learn how to make a newsletter with AI tools The post How to Create an ML-Focused Newsletter appeared first on Towards Data Science. ​Learn how to make a newsletter with AI tools The post How to Create an ML-Focused Newsletter appeared first on Towards Data...
The Machine Learning “Advent Calendar” Day 8: Isolation Forest in Excel

Optimizing PyTorch Model Inference on CPU

by Dr. Owns | Dec 8, 2025 | Analytics, Artificial Intelligence, Data and Information, Decision Support

Flyin’ Like a Lion on Intel Xeon The post Optimizing PyTorch Model Inference on CPU appeared first on Towards Data Science. ​Flyin’ Like a Lion on Intel Xeon The post Optimizing PyTorch Model Inference on CPU appeared first on Towards Data Science.  Deep Learning,...
The Machine Learning “Advent Calendar” Day 8: Isolation Forest in Excel

How to Climb the Hidden Career Ladder of Data Science

by Dr. Owns | Dec 7, 2025 | Analytics, Artificial Intelligence, Data and Information, Decision Support

The behaviors that get you promoted The post How to Climb the Hidden Career Ladder of Data Science appeared first on Towards Data Science. ​The behaviors that get you promoted The post How to Climb the Hidden Career Ladder of Data Science appeared first on Towards...
The Machine Learning “Advent Calendar” Day 8: Isolation Forest in Excel

The Machine Learning “Advent Calendar” Day 7: Decision Tree Classifier

by Dr. Owns | Dec 7, 2025 | Analytics, Artificial Intelligence, Data and Information, Decision Support

In Day 6, we saw how a Decision Tree Regressor finds its optimal split by minimizing the Mean Squared Error. Today, for Day 7 of the Machine Learning “Advent Calendar”, we switch to classification. With just one numerical feature and two classes, we...
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