Estimation, Prediction, and Interpolation For Nonstationary Series with the Kalman Filter
Journal of The American Statistical Association, 1994, 89, 426, 611-624
GOMEZ, Victor, MARAVALL, Agustin, Estimation, Prediction, and Interpolation For Nonstationary Series with the Kalman Filter, Journal of The American Statistical Association, 1994, 89, 426, 611-624 - http://hdl.handle.net/1814/17001
Retrieved from Cadmus, EUI Research Repository
We show how our definition of the likelihood of an autoregressive integrated moving average (ARIMA) model with missing observations, alternative to that of Kohn and Ansley and based on the usual assumptions made in estimation of and forecasting with ARIMA models, permits a direct and standard state-space representation of the nonstationary (original) data, so that the ordinary Kalman filter and fixed point smoother can be efficiently used for estimation, forecasting, and interpolation. In this way, the problem of estimating missing values in nonstationary series is considerably simplified. The results are extended to regression models with ARIMA errors, and a computer program is available from the authors.
Cadmus permanent link: http://hdl.handle.net/1814/17001
Full-text via DOI: 10.2307/2290864
Earlier different version: http://hdl.handle.net/1814/431
Version: The article is a published version of EUI ECO WP; 1992/80
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