Abstract
This paper formulates a nonlinear time series model which encompasses several standard nonlinear models for time series as special cases. It also offers two methods for estimating missing observations, one using prediction and fixed point smoothing algorithms and the other using optimal estimating equation theory. Recursive estimation of missing observations in an autoregressive conditionally heteroscedastic (ARCH) model and the estimation of missing observations in a linear time series model are shown to be special cases. Construction of optimal estimates of missing observations using estimating equation theory is discussed and applied to some nonlinear models.
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Authors were supported in part by a grant from the Natural Sciences and Engineering Research Council of Canada.
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Abraham, B., Thavaneswaran, A. A nonlinear time series model and estimation of missing observations. Ann Inst Stat Math 43, 493–504 (1991). https://doi.org/10.1007/BF00053368
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DOI: https://doi.org/10.1007/BF00053368