Teaching a Random Forest to Tell Walking from Running: A Computer Vision Pipeline with Hand-Built...
📰 Medium · Machine Learning
Learn how to build a computer vision pipeline using a random forest classifier to distinguish between walking and running with 86% accuracy
Action Steps
- Build a baseline random forest classifier with 56 features
- Use per-class SHAP to guide feature engineering decisions
- Select and engineer additional features to improve classifier accuracy
- Train and test the updated classifier with 240 features
- Evaluate the performance of the classifier using accuracy metrics
Who Needs to Know This
Data scientists and machine learning engineers can benefit from this article to improve their feature engineering skills and build more accurate classifiers
Key Insight
💡 Using per-class SHAP to guide feature engineering decisions can significantly improve the accuracy of a random forest classifier
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🚀 Boost classifier accuracy from 56 to 240 features with per-class SHAP! 💡
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