中文说明：数据分组处理算法GMDH源代码是自组织数据挖掘的核心算法，具有很强泛化能力，相比回归分析法可以处理小样本数据
English Description：
GMDH source code is the core algorithm of self-organizing data mining, which has strong generalization ability. Compared with regression analysis, GMDH can process small sample data