灰关联分析与预报方程

Gray relational analysis and forcasting-equation

目的探求优选预报因子的方法。方法利用关联度分析和逐步回归技术进行预报因子的优选。结果预报准确。结论预报效果较好,样本量少,计算简单。同时,可推广到各个领域有关多元分析的定量和定性预报工作中。

Objective： To explore the predictors optimization method. Methods： Correlation analysis and multiple stepwise regression. Result： The good prediction effect and the accuracy resuli. Conclusion： the gray relational analysis is sample calculated way and can be applied to various fields about multivariate analysis of quantitative and qualitative forecasting work.