Model Exploration with Cost-Aware Learning
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We present an extension to active learning routines in which non-constant costs are explicitly considered. This work considers both known and unknown costs and introduces the term ϵ-frugal for learners that do not only consider minimizing total costs but are also able to explore high cost regions of the sample space. We demonstrate our extension on a well-known machine learning dataset and find that out ϵ-frugal learners outperform both learners with known costs and random sampling.
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