Episode 18 — Interpretable Models vs. Post hoc Explanations

This episode contrasts two approaches to explainability: inherently interpretable models and post hoc explanation methods. Interpretable models, such as decision trees and logistic regression, are inherently transparent but may struggle with complex tasks. Post hoc explanations, such as SHAP and LIME, provide insights into more opaque models like deep neural networks. Learners gain clarity on the trade-offs between simplicity and performance, and on when each approach is appropriate.Case examples illustrate the application of these approaches. Banks may adopt decision trees for lending decisions to meet regulatory scrutiny, while technology firms use SHAP to interpret complex image recognition systems. The episode also highlights hybrid approaches, where interpretable models are combined with post hoc tools to balance accuracy and transparency. Challenges are acknowledged, including the risk of oversimplification in post hoc explanations and the limitations of interpretable models in high-dimensional tasks. Learners come away with a framework for selecting explainability approaches aligned with context, risk level, and stakeholder needs. Produced by BareMetalCyber.com, where you’ll find more cyber audio courses, books, and information to strengthen your certification path.

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