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Machine Learning for Imbalanced Data

You're reading from   Machine Learning for Imbalanced Data Tackle imbalanced datasets using machine learning and deep learning techniques

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Product type Paperback
Published in Nov 2023
Publisher Packt
ISBN-13 9781801070836
Length 344 pages
Edition 1st Edition
Languages
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Authors (2):
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Dr. Mounir Abdelaziz Dr. Mounir Abdelaziz
Author Profile Icon Dr. Mounir Abdelaziz
Dr. Mounir Abdelaziz
Kumar Abhishek Kumar Abhishek
Author Profile Icon Kumar Abhishek
Kumar Abhishek
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Toc

Table of Contents (15) Chapters Close

Preface 1. Chapter 1: Introduction to Data Imbalance in Machine Learning FREE CHAPTER 2. Chapter 2: Oversampling Methods 3. Chapter 3: Undersampling Methods 4. Chapter 4: Ensemble Methods 5. Chapter 5: Cost-Sensitive Learning 6. Chapter 6: Data Imbalance in Deep Learning 7. Chapter 7: Data-Level Deep Learning Methods 8. Chapter 8: Algorithm-Level Deep Learning Techniques 9. Chapter 9: Hybrid Deep Learning Methods 10. Chapter 10: Model Calibration 11. Assessments 12. Index 13. Other Books You May Enjoy Appendix: Machine Learning Pipeline in Production

Model performance comparison

The effectiveness of the techniques we’ve discussed so far can be highly dependent on the dataset they are applied to. In this section, we will conduct a comprehensive comparative analysis that compares the various techniques we have discussed so far while using the logistic regression model as a baseline. For a comprehensive review of the complete implementation, please consult the accompanying notebook available on GitHub.

The analysis spans four distinct datasets, each with its own characteristics and challenges:

  • Synthetic data with Sep: 0.5: A simulated dataset with moderate separation between classes, serving as a baseline to understand algorithm performance in simplified conditions.
  • Synthetic data with Sep: 0.9: Another synthetic dataset, but with a higher degree of separation, allowing us to examine how algorithms perform as class distinguishability improves.
  • Thyroid sick dataset: A real-world dataset (available to import...
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