When a complex model makes a prediction for a specific individual, a natural question arises: why did the model make this particular decision?
LIME approaches this question with a simple and intuitive idea: even if a model is complicated overall, it may behave in a simpler way locally, around a specific data point. Instead of trying to understand the entire model, LIME focuses on one instance at a time. It does this by:
- Generating small variations of the original input,
- Observing how the model’s prediction changes,
- Fitting a simple, interpretable model to approximate the behavior of the complex model in that small neighborhood.
The result is a local explanation: a simplified view of how the model behaves near that particular point.
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LIME: local interpretable model-agnostic explanations | NatokHD