YE Meng-liang, et al. Using ARIMA model to surveillance and forecast the incidence rate of notifiable infectious diseases in Chongqing. [J]. Journal of Chongqing Medical University 34(8):1070-1072(2009)
YE Meng-liang, et al. Using ARIMA model to surveillance and forecast the incidence rate of notifiable infectious diseases in Chongqing. [J]. Journal of Chongqing Medical University 34(8):1070-1072(2009)DOI:
Using ARIMA model to surveillance and forecast the incidence rate of notifiable infectious diseases in Chongqing
Objective:To develop the model for forecasting and surveilling the spread of notifiable infectious diseases in Chongqing.Methods:Statistics of Box-Ljung was used to evaluate the degree of fitness of ARIMA model
and the average relative errors of predict were used as indexes to evaluate the predict effect.Results:The changes of incidence rate of the notifiable infectious diseases in Chongqing presented a yearly periodicity
and showed that the incidence rate from March to August exceeded the monthly average of it.The residuals sum of square of the ARIMA model was 12.23 for incidence rate of the notifiable infectious disease from 2003 to 2007
and the mean relative error of the model was 8.3%.Conclusion:Time series methods applied to historical reporting data of infectious disease are an important tool for infectious disease surveillance.The ARIMA model is suitable to forecast the incidence rate of notifiable infectious diseases in Chongqing.Our approach potentially has a high practical value in forecasting and surveilling the notifiable infectious diseases.
关键词
时间序列ARIMA模型预测
Keywords
time seriesModel of autoregressive integrated moving averageprediction
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Related Institution
重庆医科大学公共卫生学院卫生统计教研室
Department of Statistics,College of Public Health,Chongqing Medical University
Chongqing Center for Disease Control and Prevention
School of Public Health,Chongqing Medical University
Department of Urology,The Second Affiliated Hospital of Chongqing Medical University