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|Title:||A graph approach to generate all possible regression submodels||Authors:||Gatu, Cristian
Yanev, Petko I.
Kontoghiorghes, Erricos John
|Keywords:||Regression analysis;Algorithms;Branch-and-bound algorithm;Computer simulation;Set theory||Issue Date:||2007||Publisher:||Elsevier||Source:||Computational Statistics and Data Analysis, 2007, Volume 52, Issue 2, Pages 799-815||Abstract:||A regression graph to enumerate and evaluate all possible subset regression models is introduced. The graph is a generalization of a regression tree. All the spanning trees of the graph are minimum spanning trees and provide an optimal computational procedure for generating all possible submodels. Each minimum spanning tree has a different structure and characteristics. An adaptation of a branch-and-bound algorithm which computes the best-subset models using the regression graph framework is proposed. Experimental results and comparison with an existing method based on a regression tree are presented and discussed.||URI:||http://ktisis.cut.ac.cy/handle/10488/6743||ISSN:||01679473||DOI:||http://dx.doi.org/10.1016/j.csda.2007.02.018||Rights:||© 2007 Elsevier B.V. All rights reserved.||Type:||Article|
|Appears in Collections:||Άρθρα/Articles|
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