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Model Selection Using Efficiency of Conformal Predictors

  • Ritvik Jaiswal
  • Vineeth N. BalasubramanianEmail author
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 9047)

Abstract

The Conformal Prediction framework guarantees error calibration in the online setting, but its practical usefulness in real-world problems is affected by its efficiency, i.e. the size of the prediction region. Narrow prediction regions that maintain validity would be the most useful conformal predictors. In this work, we use the efficiency of conformal predictors as a measure to perform model selection in classifiers. We pose this objective as an optimization problem on the model parameters, and test this approach with the k-Nearest Neighbour classifier. Our results on the USPS and other standard datasets show promise in this approach.

Keywords

Conformal prediction Efficiency Model selection Optimisation 

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Copyright information

© Springer International Publishing Switzerland 2015

Authors and Affiliations

  1. 1.Department of Computer Science and EngineeringIndian Institute of TechnologyHyderabadIndia

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