近期在周期性时间序列资料分群研究上有越来越广泛的趋势。
In the near future at clustering periodic time series data study up have more and more extensive trend.
目的探讨时间序列分析方法在时间序列资料中的应用，建立海西州地区胆囊炎发病率的预测模型。
Objective the research aims to investigate the application of time series analysis method on time series datum, and establish forecasting model on cholecystitis incidence rate in Haixizhou region.
目的：利用SAS程序实现ARIMA模型，探讨ARIMA预测模型在季节性时间序列资料分析中的应用。
Objective:To establishment the SAS procedure of ARIMA Model and to investigate the application of ARIMA predictive model in seasonal time series.
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