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KDD2016 paper 573

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Published on Jul 7, 2016

Title: "Why Should I Trust You?": Explaining the Predictions of Any Classifier

Authors:
Marco Túlio Ribeiro*, University of Washington
Sameer Singh, University of Washington
Carlos Guestrin, University of Washington

Abstract:
Despite widespread adoption, machine learning models remain mostly black boxes. Understanding the reasons behind predictions is, however, quite important in assessing trust in a model. Trust is fundamental if one plans to take action based on a prediction, or when choosing whether or not to deploy a new model. Such understanding further provides insights into the model, which can be used to turn an untrustworthy model or prediction into a trustworthy one. In this work, we propose LIME, a novel explanation technique that explains the predictions of any classifier in an interpretable and faithful manner, by learning an interpretable model locally around the prediction. We further propose a method to explain models by presenting representative individual predictions and their explanations in a non-redundant way, framing the task as a submodular optimization problem. We demonstrate the flexibility of these methods by explaining different models for text (e.g. random forests) and image classification (e.g. neural networks). The usefulness of explanations is shown via novel experiments, both simulated and with human subjects. Our explanations empower users in various scenarios that require trust: deciding if one should trust a prediction, choosing between models, improving an untrustworthy classifier, and detecting why a classifier should not be trusted.

More on http://www.kdd.org/kdd2016/

KDD2016 Conference will be recorded and published on http://videolectures.net/

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