So many methods have been invented for the problem of classification learning that practitioners now face a meta-level problem of choosing among alternatives or arbitrating between them. A natural idea is to use cross-validation to select one of several learning algorithms. A more general approach is Wolpert’s stacking, which uses the predictions of several methods together; and this may be further generalized to bi-level stacking, in which ordinary attributes are allowed to play a role in arbitrating between methods. In this paper, we examine cross-validation, stacking and bi-level stacking and present empirical results to illustrate key points.
CITATION STYLE
Schaffer, C. (1994). Cross-Validation, Stacking and Bi-Level Stacking: Meta-Methods for Classification Learning (pp. 51–59). https://doi.org/10.1007/978-1-4612-2660-4_6
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