The first official cases of COVID-19 were dated in December 2019 in Wuhan, China. Its spread worldwide in later months resulted in a pandemic classification from the World Health Organization (WHO) on ...
The non-Gaussian characteristic of the external disturbance poses a great challenge for system modeling and identification. This paper develops a robust recursive estimation algorithm for the ...
The exponentially weighted moving average (EWMA) model is a particular modeling scheme, supported by RiskMetrics, that is capable of forecasting the current level of volatility of financial time ...
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