Combining cluster analysis of gray theory we make an evaluation on the line with three evaluation indexes: the road traffic fatality rate, run-accident rate, Million-vehicle- mortality per km.

城镇主要道路评价采用交通致死率、运行事故率、亿车公里死亡率三个指标结合灰色聚类分析方法进行评价。

youdao

A new cluster analysis method based on the gray relational grades is formulated through the combination of geological cluster analysis with gray system theory.

通过灰色系统理论与地质学中的聚类分析方法的结合，提出了一种基于灰色关联度的聚类分析新方法。

youdao

By use of the principles of gray relative degree and fuzzy cluster analysis, the observed data of uplift pressure at each observation points of the Xin anjiang Dam foundation are analyzed.

利用时间序列方法，分析去除确定性部分后的残差序列，提取其中的有规律成分作为预报时的补偿项，形成叠合模型，进行建筑物观测资料的分析。

youdao