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Lizenz
Bitte beziehen Sie sich beim Zitieren dieses Dokumentes immer auf folgende URN: urn:nbn:de:kobv:517-opus-51586 URL: http://opus.kobv.de/ubp/volltexte/2011/5158/ Läuter, Henning ; Liero, Hannelore
Nonparametric estimation and testing in survival models
Kurzfassung auf EnglischThe aim of this paper is to demonstrate that nonparametric smoothing methodsfor estimating functions can be an useful tool in the analysis of life time data. After stating some basic notations we will present a data example. Applying standard parametric methods to these data we will see that this approach fails - basic features of the underlying functions are not reflected by their estimates. Our proposal is to use nonparametric estimation methods. These methods are explained in section 2. Nonparametric approaches are better in the sense that they are more flexible, and misspecifications of the model are avoided. But, parametric models have the advantage that the parameters can be interpreted. So, finally, we will formulate a test procedure to check whether a parametric or a nonparametric model is appropriate.
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