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- Anyone know how to generate data for ARIMA by SAS? or seasonal ARIMA model? 主题:弱弱的问：如何在SAS数据集中随机取样本?
- The feasibility-study experiments in Hua Yuan Residential Area,Tianjin,showed that seasonal ARIMA models can be used to model and to predict actual power. 以天津市华苑小区的电力负荷为例;进行了季节ARIMA模型的建模及预报.
- A general expression of seasonal ARIMA models with one periodicity is given, and procedures to model and predict traffic flow using seasonal ARIMA models arc provided. 介绍了具有周期的季节ARIMA模型的一般表达方式，并提供了使用这一模型进行建模和预报的一般过程。
- Keywords multiple seasonal ARIMA model;time series;enteric Infectious disease;bacillary Dysentery; ARIMA季节乘积模型;时间序列;肠道传染病;细菌性痢疾;
- seasonal ARIMA model 季节ARIMA模型
- multiple seasonal ARIMA model ARIMA季节乘积模型
- The Application of Multiplicative Seasonality ARIMA Model in Energy Yield Forecast 乘积季节模型在能源生产量预测中的应用
- seasonal ARIMA models 季节ARIMA模型
- According to AIC criterion, parameters of ARIMA model are determined. 利用 AIC 准则确定模型参数。
- The log-additive model and the ARIMA model are two main features of Lee-Carter model. 对数模型和ARIMA模型构成了Lee-Carter方法的主要特征。
- Methods Proper ARIMA model is obtained with SPSS system and the effectiveness is evaluated. 方法利用SPSS统计软件求解适宜的ARIMA模型,据所得误差评价预测效果。
- Conclusion It is feasible to use the ARIMA model to forecast the needs of health manpower. 结论ARIMA模型在卫生人力资源需求预测中的应用是可行的。
- By comparing the measured value with the estimated value, it is showed that the ARIMA model can preferably fit soil moisture time series. 在建立模型后，用实测数据与模型的预测数据相比较说明ARIMA时间序列模型能较好地拟合与预测土壤墒情的变化趋势。
- At the same time. our model also can be seen as a new method for traffic flow forecasting.Besides of WMF, we also propose Switching ARIMA Model to describe traffic flow series. 维纳混合滤波器把一个非线性滤波问题转化为求解高斯混合模型参数问题,而高斯混合模型又是研究的比较多的一个模型,许多技术可以直接借鉴。
- Results indicate that the ARIMA model is the best one while predicting of Changhua County, Taiwan among all models. 实证结果显示：针对彰化县人口资料，在上述各预测模式中，以ARIMA模型在样本内配适及样本外预测表现较佳。
- The estimation of variance is 0.001956, AIC= -443.26,SBC=-437.51. Using analysis of white-noise residual of model, fit of rich table show that the best estimated ARIMA model is(1-B)(1-B 12)Z_t=(1-0.24269B)(1-0.30096 B 12)a_t. 对模型进行白噪声残差分析;拟合优度统计量表中表明ARIMA的估计具体模型为:(1-B)(1-B12)Zt=(1-0.;24269B)(1-0
- With 48 data , the R2 of the model is 0.9733 in 6 months and is 0.8574 in 12 months, 36 and 42 data also can be used for building ARIMA model ,the R2 of them were lower than that of 48 data. 用48个数据建模;6个月预测效果的拟合度R2=0.;9733;12个月预测效果的R2=0
- As the example of the single vegetable species cabbage, its price problem is studied quantificationally in the facts of identification, diagnose, mimic and forecasting by using ARIMA model. 从研究单一蔬菜品种卷心菜开始,利用ARIMA理论和方法,从模型的识别、诊断、拟合与预测定量地研究其价格的问题。
- The area is subject to devastating seasonal winds. 这个地区常遭破坏性季风的袭击。
- A raincoat is a must in the rainy season. 在雨季雨衣是必备之物。
