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Predictions of retail prices of household foods bear positive meanings in enhancing the living standard of residents. In our paper, first we subdivided the 41 kinds of household food into 5 subcategories basing on trends of their price movements during 2010 to 2011: Smoothly Rising, Rising with Fluctuations, Stable, Horizontal Fluctuating and Concave. Next, we structured separate ARIMA models for...
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