Estimation of a nonparametric regression spectrum for multivariate time series |
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Authors: | Jan Beran Mark A Heiler |
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Institution: | 1. Department of Mathematics and Statistics, University of Konstanz, Germany;2. Credit Suisse, Switzerland |
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Abstract: | Estimation of a nonparametric regression spectrum based on the periodogram is considered. Neither trend estimation nor smoothing of the periodogram is required. Alternatively, for cases where spectral estimation of phase shifts fails and the shift does not depend on frequency, a time domain estimator of the lag-shift is defined. Asymptotic properties of the frequency and time domain estimators are derived. Simulations and a data example illustrate the methods. |
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