In a multivariate quality control process , a common statistic is hotelling ' s t2 . in order to detect small shift or trends sensitively , multivariate cumulative sum ( mcusum ) chart and multivariate exponentially weighted moving average control chart ( mewma ) are recommended 在多元质量控制中，通常采用hotelling统计西北工业大学博士学位论文摘要量、多元指数加权移动平均图( mewma )和多元累积和图( mcusum ) 。
By using autoregressive integrated moving average model and on the basis of chinese textile and clothing export data from january of 2000 to december of 2004 , this paper carries out forecast analysis for the chinese textile clothing export tendency of 2005 and 2006 摘要本文利用单整自回归移动平均模型，依据2000年1月至2004年12月中国纺织品服装出口额数据，对2005年和2006年中国纺织品服装出口走势进行预测分析。
Based on the three prediction models , the combined forecast is conducted using the separate solutions of moving average , exponential smoothing and gray prediction to investigate whether the combined forecast model matches the sales volume prediction of truck wooden boxes 最后采用组合预测之三种预测模型，将移动平均法、指数平滑法、灰预测法所求得之解作组合预测，以探讨组合预测模型是否适合木制框式车身的销售数量预测。
The corresponding models of realized volatility and realized covariance of time series of high - frequency finance are brought forward and the realized volatility - autoregressive and moving average ( rv - arma ) model and the realized volatility - vector autoregressive ( rv - var ) model are set up 摘要对高频金融时间序列的“已实现”波动和“已实现”协方差提出相应的模型并建立“已实现”波动自回归移动平均模型和“已实现”波动向量自回归模型。
The forecasts method including the forecast method of simple moving average , the forecast method of weighting moving average , the forecast method of single exponential smoothing , the forecast method of double exponential smoothing , the forecast method of multiplication model and the forecast method of monadic linear regression 预测方法包括简单移动平均法、加权移动平均法、一次指数平滑法、二次指数平滑法、乘法模型预测法和一元线性回归方程预测法。
By comparing the return of moving average , predicted by neural networks , rule to simple moving average rule and buy and hold strategy , our trading system shows good performance . it could beat both the simple technical analysis method and the buy and hold strategy 同时，根据本文提出的简单投资操作机制，结合预测分析，对随机选取的个股2002年数据进行了实际投资检验，与采用简单移动平均的一般技术分析手段和采用买入持有投资机制的投资情况进行对比。
I make use of for the very first time the floor space under construction and the other four indexes to get the compound index . according to the compound index i conclude that there are five periods during the development of the real estate industry in china 笔者首次运用房屋施工面积增长率等5个指标数值的变化率计算了我国房地产业的合成指数，然后以三年移动平均的房地产业合成指数作为主要依据，得出自改革开放和产业恢复发展我国房地产业共经历5个周期的结论。
Water quantity prediction is the base and premise of water price calculating . this paper uses moving tendency forecasting modeling , gm forecasting modeling and bp neural forecasting modeling to forecast the water requirement of the future , evaluates the forecasting results , and confirms the forecasting results ; the industry water price elasticity index and the resident water price elasticity are calculated with the multi - linear regression method ; the water resources value is evaluated with the marginal opportunity cost method considering the transferring water , other parameters are evaluated and estimated by using some methods of connecting with objective laws and estimation 用水量预测是水价制定的前提和基础，本文在进行水量预测时，采用移动平均法、灰色预测法和bp神经网络进行预测，并对预测结果进行了综合评价，确定出合理的预测结果；采用多元线性回归方法确定工业用水价格弹性和居民生活用水价格弹性指数；采用跨流域调水情况下的边际机会成本方法确定当地的水资源价值；采用主观判断和客观规律相结合的方法对其它一些参数进行了确定。
Considering the limits of all predicting models , we select some kinds of methods form predecessor ' s study such as grey - movement forecasting modes of uniformly factal , exponent smoothing prediction verhulst model forecasting , verhulst inverse - function forecasting , trend prediction , growing model prediction and so on to build a model base . it is a software of landslide prediction which based on gis and developed by vb6 . 0 考虑到各种预测预报理论模型的局限性，本文从前人的理论模型中选出了等维灰数递补动态预测模型、指数平滑预报模型、 verhulst及verhulst反函数预报模型、趋势移动平均法预报模型、 “成长”曲线预报模型等几种模型建成预测预报模型库，以mapinfo为平台，利用vb6 . 0语言开发研制了基于gis的滑坡预测预报软件系统。
Take the computer as the tool , the use technology economic evaluation method realization highly effective , the accurate decision - making , brings the good economic efficiency for the enterprise . the many kinds of assessment method synthesis application enhance the policy - making efficiency , and cause the decision - making to be more reasonable 本文主要工作是对计算机辅助决策常用的预测模型简单移动平均法,加权移动平均法,指数平滑预测法,二次指数平滑预测法,以及在技术经济评价方法中有关静态评价法和动态评价法进行了介绍,总结出一些经验。
