回归分析在水泥市场预测中的应用

回归分析法、弹性系数法、指数平滑法、移动平均法等是市场分析预测中常用的方法。本文介绍了其中的回归分析法,并就其在水泥市场预测中的具体应用进行了探讨。选取了四川省1988-2002年全社会固定资产投资与水泥需求量作为两个变量,验证了这两个变量之间的相关关系及相关程度,在确立了因变量(Y)和自变量(X)之后,通过回归检验并建立回归模型来分析预测了四川省2010年的水泥需求的点预测值及置信区间预测值。

Application of regression analysis in forecasting of cement market

Regression analysis is one of the common methods for marketing analysis and forecasting. The author selected two variables of Sichuan social fixed assets investment from 1988 to 2002 and the cement requirement at the same period, to search for relativities and relative degree between these two variables. After determination of dependent variable (Y) and independent variable (X), the point forecasting value and forecasting value of reliable area for cement requirement in Sichuan Province in 2010 can be evaluated by means of regression inspection and regression models.