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http://hdl.handle.net/1942/2055
Title: | Kernel weighted influence measures | Authors: | HENS, Niel AERTS, Marc MOLENBERGHS, Geert THIJS, Herbert VERBEKE, Geert |
Issue Date: | 2005 | Publisher: | ELSEVIER SCIENCE BV | Source: | COMPUTATIONAL STATISTICS & DATA ANALYSIS, 48(3). p. 467-487 | Abstract: | To asses the sensitivity of conclusions to model choices in the context of selection models for non-random dropout, several methods have been developed. None of them are without limitations. A new method called kernel weighted influence is proposed. While global and local influence approaches look upon the influence of cases, this new method looks at the influence of types of observations. The basic idea is to combine the existing influence approaches with a non-parametric weighting scheme. The kernel weighted global influence offers a possible solution to the problem of masking, while the kernel weighted local influence can be seen as a tool to better understand the source of influence. (C) 2004 Elsevier B.V. All rights reserved. | Notes: | Limburgs Univ Ctr, Ctr Stat, B-3590 Diepenbeek, Belgium. Katholieke Univ Leuven, Ctr Biostat, B-3000 Louvain, Belgium.Hens, N, Limburgs Univ Ctr, Ctr Stat, Univ Campus,Bldg D, B-3590 Diepenbeek, Belgium.niel.hens@luc.ac.be | Keywords: | local influence; global influence; Kernel weights; missing data; sensitivity analysis; weighted likelihood;local influence; global influence; kernel weights; missing data; sensitivity analysis; weighted; likelihood | Document URI: | http://hdl.handle.net/1942/2055 | ISSN: | 0167-9473 | e-ISSN: | 1872-7352 | DOI: | 10.1016/j.csda.2004.02.010 | ISI #: | 000226475800003 | Rights: | (c) 2004 Elsevier B.V. All rights reserved | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2006 |
Appears in Collections: | Research publications |
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