A skewed Kalman filter

Philippe Naveau, Marc G. Genton and Xilin Shen

Journal of Multivariate Analysis, 2005, vol. 94, issue 2, 382-400

Abstract: The popularity of state-space models comes from their flexibilities and the large variety of applications they have been applied to. For multivariate cases, the assumption of normality is very prevalent in the research on Kalman filters. To increase the applicability of the Kalman filter to a wider range of distributions, we propose a new way to introduce skewness to state-space models without losing the computational advantages of the Kalman filter operations. The skewness comes from the extension of the multivariate normal distribution to the closed skew-normal distribution. To illustrate the applicability of such an extension, we present two specific state-space models for which the Kalman filtering operations are carefully described.

Keywords: State-space; model; Closed; skew-normal; distribution (search for similar items in EconPapers)
Date: 2005
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Citations: View citations in EconPapers (9)

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