Bitte verwenden Sie diesen Link, um diese Publikation zu zitieren, oder auf sie als Internetquelle zu verweisen: https://hdl.handle.net/10419/241867 
Erscheinungsjahr: 
2020
Quellenangabe: 
[Journal:] Journal of the Royal Statistical Society: Series B (Statistical Methodology) [ISSN:] 1467-9868 [Volume:] 82 [Issue:] 4 [Publisher:] Wiley [Place:] Hoboken, NJ [Year:] 2020 [Pages:] 1115-1140
Verlag: 
Wiley, Hoboken, NJ
Zusammenfassung: 
Predicting scalar outcomes by using functional predictors is a classical problem in functional data analysis. In many applications, however, only specific locations or time points of the functional predictors have an influence on the outcome. Such ‘points of impact’ are typically unknown and must be estimated in addition to estimating the usual model components. We show that our points-of-impact estimator enjoys a superconsistent rate of convergence and does not require knowledge or pre-estimates of the unknown model components. This remarkable result facilitates the subsequent estimation of the remaining model components as shown in the theoretical part, where we consider the case of non-parametric models and the practically relevant case of generalized linear models. The finite sample properties of our estimators are assessed by means of a simulation study. Our methodology is motivated by data from a psychological experiment in which the participants were asked to rate their emotional state continuously while watching an affective video eliciting a varying intensity of emotional reactions.
Schlagwörter: 
Emotional stimuli
Functional data analysis
Non‐parametric regression
On‐line video rating
Quasi‐maximum‐likelihood
Variable selection
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