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• W3048494751 abstract "Accurate metal price forecasting is the precondition for optimal and sustainable mine production planning. This paper combined two methods for time series analysis. The developed model represents the combination of the Grey System Theory and a Stochastic differential equation. More precisely, we added stochastic term to the first-order whitenization differential equation. Solution of this equation represents the time response function which is capable of creating artificial evolving paths of the metal price. The simulation process resulted in a distribution and adequate expected value at every single point. Further, model efficiency was increased by adding residuals modeled by the Singular Spectrum Analysis method. The model was tested on the monthly lead metal price series. Mean absolute percentage error is 4.37% and the model can be classified as a high-performance model." @default.
• W3048494751 created "2020-08-18" @default.
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• W3048494751 date "2020-08-13" @default.
• W3048494751 modified "2023-10-17" @default.
• W3048494751 title "Hybrid Stochastic-Grey Model to Forecast the Behavior of Metal Price in the Mining Industry" @default.
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• W3048494751 doi "https://doi.org/10.3390/su12166533" @default.
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