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A Simple trick for estimating the weight decay parameter
Högskolan i Halmstad, Akademin för informationsteknologi, Halmstad Embedded and Intelligent Systems Research (EIS).ORCID-id: 0000-0001-5163-2997
2012 (engelsk)Inngår i: Lecture Notes in Computer Science, ISSN 0302-9743, E-ISSN 1611-3349, Vol. 7700 LECTURE NO, s. 69-89Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

We present a simple trick to get an approximate estimate of the weight decay parameter λ. The method combines early stopping and weight decay, into the estimate λ̂ = ||∇E(Wes)||/||2W es||, where Wes is the set of weights at the early stopping point, and E(W) is the training data fit error. The estimate is demonstrated and compared to the standard cross-validation procedure for λ selection on one synthetic and four real life data sets. The result is that is as good an estimator for the optimal weight decay parameter value as the standard search estimate, but orders of magnitude quicker to compute. The results also show that weight decay can produce solutions that are significantly superior to committees of networks trained with early stopping. © Springer-Verlag Berlin Heidelberg 2012.

sted, utgiver, år, opplag, sider
Berlin: Springer Berlin/Heidelberg, 2012. Vol. 7700 LECTURE NO, s. 69-89
Emneord [en]
Cross validation, Early stopping, Optimal weight, Orders of magnitude, Real life datasets, Training data, Weight decay, Artificial intelligence, Estimation
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Identifikatorer
URN: urn:nbn:se:hh:diva-37450DOI: 10.1007/978-3-642-35289-8-6Scopus ID: 2-s2.0-84872568634OAI: oai:DiVA.org:hh-37450DiVA, id: diva2:1242363
Tilgjengelig fra: 2018-08-28 Laget: 2018-08-28 Sist oppdatert: 2018-08-28bibliografisk kontrollert

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