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asymmetric recursive methods; time series; Kalman filter; exponential smoothing; asymmetric time series; autoregressive model; split-normal distribution
The problem of asymmetry appears in various aspects of time series modelling. Typical examples are asymmetric time series, asymmetric error distributions and asymmetric loss functions in estimating and predicting. The paper deals with asymmetric modifications of some recursive time series methods including Kalman filtering, exponential smoothing and recursive treatment of Box-Jenkins models.
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