回归分析方法在库尔勒市农用地定级中的应用

Use of Regression in Agriculture Land Evaluating in Kuerle City

使用库尔勒市3089个农用地定级单元,在SPSS软件的基础上,用回归分析法选择农用地定级因素,确定各因素权重,并计算各定级单元总分,然后对总分作频率统计,绘制频率直方图,按农用地优劣的实际情况,选择频率曲线分布突变处为级间分界,划分农用地级别。

This paper selects 3 089 evaluation units of agriculture land in Kuerle city. Based on the software of SPSS, it uses regression to select suitable evaluation factors of agriculture land and define factor scores. Then it calculates total scores of every evaluation unit and uses frequency analysis to get ranks of every evaluation unit.