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Erschienen in:
2011 | OriginalPaper | Buchkapitel
Embedding Random Projections in Regularized Gradient Boosting Machines
verfasst von : Pierluigi Casale, Oriol Pujol, Petia Radeva
Erschienen in: Ensembles in Machine Learning Applications
Verlag: Springer Berlin Heidelberg
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Random Projections are a suitable technique for dimensionality reduction in Machine Learning. In this work, we propose a novel Boosting technique that is based on embedding Random Projections in a regularized gradient boosting ensemble. Random Projections are studied from different points of view: pure Random Projections, normalized and uniform binary. Furthermore, we study the effect to keep or change the dimensionality of the data space. Experimental results performed on synthetic and UCI datasets show that Boosting methods with embedded random data projections are competitive to AdaBoost and Regularized Boosting.