中长期预测模型的GMDH不同水平算法优势比较及实证分析

本文给出了二、三水平算法的一般模式，分析不同水平算法的优势，利用经济变量进行实证分析。研究结果表明，随着算法水平的提高，算法的抗干扰能力不断加强，预测效果越来越好，进一步证实了算法的有效性。

Comparing Multi leve Algorithm of the Model of Intermediate or Long term Prediction and Application

Based on the principle of self organization, a system with multilayer algorithm is given. It mainly solves the problems of complex system modeling and intermediate term or long term prediction. The result shows that the high of the leve of algorithm, the better the result of prediction.