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GREAT SALT LAKE SURFACE LEVEL FORECASTING USING FIGARCH MODELING

机译:利用FIGARCH建模预测大盐湖地表水准

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In this paper, we have examined 4 models for Great Salt Lake level forecasting: ARMA (Auto-Regression and Moving Average), ARFIMA (Auto-Regressive Fractional Integral and Moving Average), GARCH (Generalized Auto-Regressive Conditional Heteroskedasticity) and FIGARCH (Fractional Integral Generalized Auto-Regressive Conditional Heteroskedasticity). Through our empirical data analysis where we divide the time series in two parts (first 2000 measurement points in Part-1 and the rest is Part-2), we found that for Part-2 data, FIGARCH offers best performance indicating that conditional heteroscedasticity should be included in time series with high volatility.
机译:在本文中,我们检查了4种用于大盐湖水位预测的模型:ARMA(自回归和移动平均),ARFIMA(自回归分数积分和移动平均),GARCH(广义自回归条件异方差)和FIGARCH(分数积分广义自回归条件异方差。通过我们的经验数据分析,我们将时间序列分为两部分(第1部分中第一个2000个测量点,其余部分为第2部分),我们发现对于第2部分数据,FIGARCH提供了最佳性能,表明条件异方差应该包含在高波动性的时间序列中。

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