Dietmar Ferger

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BACKGROUND Epidemiological and clinical studies, often including anthropometric measures, have established obesity as a major risk factor for the development of type 2 diabetes. Appropriate cut-off values for anthropometric parameters are necessary for prediction or decision purposes. The cut-off corresponding to the Youden-Index is often applied in(More)
We develop tests for detecting possibly episodic predictability induced by a persistent pre-dictor. Our framework is that of a predictive regression model with threshold effects and our goal is to develop operational and easily implementable inferences when one does not wish to imposè a priori restrictions on the parameters of the model other than the(More)
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