Random Forests: finding quasars

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Abstract

The automatic classification of objects from catalogues or other sources of data is a common statistical problem in many astronomical surveys. We describe an effective method, Random Forests, in which votes for class membership are polled from a large random ensemble of tree classifiers. This procedure is illustrated by the problem of identifying quasars from the FIRST survey.

Author

Breiman, Leo; Last, Michael; Rice, John

Journal

In: Statistical challenges in astronomy. Third Statistical Challenges in Modern Astronomy

Paper Publication Date

2003

Paper Type

Astrostatistics