Model Interpretation and Explainability towards Creating Transparency in Prediction Models

Date
2020-01-07
Authors
Dolk, Daniel
Kridel, Donald
Dineen, Jacob
Castillo, David
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Abstract
Explainable AI (XAI) has a counterpart in analytical modeling which we refer to as model explainability. We tackle the issue of model explainability in the context of prediction models. We analyze a dataset of loans from a credit card company and apply three stages: execute and compare four different prediction methods, apply the best known explainability techniques in the current literature to the model training sets to identify feature importance (FI) (static case), and finally to cross-check whether the FI set holds up under “what if” prediction scenarios for continuous and categorical variables (dynamic case). We found inconsistency in FI identification between the static and dynamic cases. We summarize the “state of the art” in model explainability and suggest further research to advance the field.
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Keywords
Big Data and Analytics: Pathways to Maturity, explainable ai, explainable models, prrediction models
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