Machine Learning Department
School of Computer Science, Carnegie Mellon University


Active Learning for Subsampling Functions
Below a Specified Level-Set

Brent Bryan, Jeff Schneider*, Chad M. Shafer**

December 2007


Keywords: Active learning, level-sets, statistical inference, cosmology

We present an efficient algorithm to actively select samples which accurately model a target function below a specified threshold. We describe several heuristics for choosing these samples, and show how these heuristics perform on synthetic and real target functions. We then show how these algorithms can be used to make a sophisticated statistical procedure for finding confidence regions two orders of magnitude more data efficient.

17 pages

*Robotics Institute, Carnegie Mellon University
**Department of Statistics, Carnegie Mellon University

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