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Summary of Case-based Explainability For Random Forest: Prototypes, Critics, Counter-factuals and Semi-factuals, by Gregory Yampolsky et al.


Case-based Explainability for Random Forest: Prototypes, Critics, Counter-factuals and Semi-factuals

by Gregory Yampolsky, Dhruv Desai, Mingshu Li, Stefano Pasquali, Dhagash Mehta

First submitted to arxiv on: 13 Aug 2024

Categories

  • Main: Machine Learning (cs.LG)
  • Secondary: Statistical Finance (q-fin.ST); Machine Learning (stat.ML)

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GrooveSquid.com Paper Summaries

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Summary difficulty Written by Summary
High Paper authors High Difficulty Summary
Read the original abstract here
Medium GrooveSquid.com (original content) Medium Difficulty Summary
The paper proposes a novel approach to Explainable Case-Based Reasoning (XCBR) for tree-based models, specifically Random Forests (RFs), by extracting the distance metric learned by RFs. This technique is geometry- and accuracy-preserving, allowing various XCBR methods to be investigated. These methods involve identifying special points from the training datasets, such as prototypes, critics, counter-factuals, and semi-factuals, to explain predictions for a given query of the RF. The effectiveness and explanatory power of these special points are evaluated using various evaluation metrics.
Low GrooveSquid.com (original content) Low Difficulty Summary
The paper is about making machine learning algorithms more understandable so that they can be used in financial and other regulated industries where transparency is important. It proposes a new way to do this called Explainable Case-Based Reasoning (XCBR) for tree-based models like Random Forests. This method helps explain why the model made certain predictions by looking at specific examples from the data it was trained on. The researchers test their approach using different methods and evaluate how well they work.

Keywords

» Artificial intelligence  » Machine learning