Class Imbalance Articles

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12/1/2025 • EN

Horses or Zebras?

Discusses handling class imbalance in predictive modeling, using medical and zebra analogies to explain adjusting for prior probabilities and error costs.

Class Imbalance Data Science Machine Learning Prediction statistics

Thomas Lumley

3/27/2023 • EN

Class imbalance: bug or feature?

Explores the concept of class imbalance in machine learning, drawing parallels to medical training and questioning if it's a problem or an inherent feature.

Class Imbalance Machine Learning Medical AI Training Data

Thomas Lumley

12/1/2019 • EN

How many giraffes?

A review of Janelle Shane's AI humor book, discussing neural network limitations and the real-world impact of class imbalance in machine learning.

ai Class Imbalance Data Science Machine Learning Neural Networks

Thomas Lumley

Class Imbalance Articles

Horses or Zebras?

Class imbalance: bug or feature?

How many giraffes?

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