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A note on change point estimation in dose-response trials.

Research output: Contribution to journalJournal articlepeer-review

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  • T. Friede
  • F. Miller
  • W. Bischoff
  • M. Kieser
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<mark>Journal publication date</mark>2001
<mark>Journal</mark>Computational Statistics and Data Analysis
Issue number2
Volume37
Number of pages14
Pages (from-to)219-232
Publication StatusPublished
<mark>Original language</mark>English

Abstract

An often used model for the shape of a drug's dose–response relationship is the following: the curve increases to a certain dose until a plateau is reached. In this situation, the minimum dose with maximum effect can be seen as a change point in a regression model. We present four estimators for the change point and compare their performance with respect to selection rates and loss function based criteria by extensive simulations. The choice of the loss function depending on the practical situation is discussed. Application of the estimators is illustrated by an example.