文件名称:ARMA
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ARMA 模型(Auto-Regressive and Moving Average Model)是研究时间序列的重要方法,由自回归模型(简称AR模型)与滑动平均模型(简称MA模型)为基础“混合”构成。在市场研究中常用于长期追踪资料的研究,如:Panel研究中,用于消费行为模式变迁研究;在零售研究中,用于具有季节变动特征的销售量、市场规模的预测等。(ARMA model is an important method for studying time series. It is composed of an autoregressive model (AR model) and a moving average model (MA model). In the market research is often used to study long-term tracking data such as: Panel, used to study the mode change in consumer behavior; retail research, for with the seasonal variation characteristics of the sales volume, market size forecast.)
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