Abstract:This paper focus on the modeling of quantities of commodity barcodes registrated in Guangzhou. With analysis of the sample time sequence, difference method is applied to turn the sample sequence into stationary one. By studying the autocorrelation function(ACF) and partial autocorrelation function(PACF) figures, seasonal autoregressive integrated moving average (SARIMA) models are put forward. After simulation, SARIMA(0,1,1)(0,1,1) 12 model is proved to be of better accuracy, and the result demonstrates the go… Show more
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