Title
Active Risk Estimation
Abstract
We address the problem of evaluating the risk of a given model accurately at minimal la- beling costs. This problem occurs in situa- tions in which risk estimates cannot be ob- tained from held-out training data, because the training data are unavailable or do not re- ect the desired test distribution. We study active risk estimation processes in which in- stances are actively selected by a sampling process from a pool of unlabeled test in- stances and their labels are queried. We de- rive the sampling distribution that minimizes the estimation error of the active risk esti- mator when used to select instances from the pool. An analysis of the distribution that governs the estimator leads to condence in- tervals. We empirically study conditions un- der which the active risk estimate is more accurate than a standard risk estimate that draws equally many instances from the test distribution.
Year
Venue
Keywords
2010
ICML
empirical study
Field
DocType
Citations 
Sampling distribution,Risk Estimate,Training set,Sampling process,Standard Risk,Computer science,Artificial intelligence,Statistics,Confidence interval,Machine learning,Estimator
Conference
11
PageRank 
References 
Authors
0.85
8
4
Name
Order
Citations
PageRank
Christoph Sawade1556.21
Niels Landwehr250631.54
Steffen Bickel384858.84
Tobias Scheffer41862139.64