2) pedigree clustering analysis
谱系聚类分析法
1.
Two dimension reduction methods of point evaluation technique and pedigree clustering analysis were applied to the large amount of calculation in the reliability analysis of structural systems.
本文采用系统可靠性理论对地震作用下的地下管线动力可靠性进行分析,并针对系统可靠性计算量大的难题,引入了PNET法(point evaluation technique)与谱系聚类分析法两种降维方法,在保证精度的同时大大提高了计算效率,使对地下管线的系统可靠性分析达到实用化程度。
3) principle component cluster analysis
谱主成分聚类分析
4) hierarchical cluster analysis
系统聚类分析
1.
Based on the results, ten kinds of dragon bloods were classified and identified using a hierarchical cluster analysis method.
建立了10种中药血竭样品的HPLC(Highperformanceliquidchromatgraphy)指纹图谱,并把HPLC指纹图谱信息进行数据化及数据标准化处理;用重叠率与相关系数两个参数,从两个方面定量地对这10种样品的HPLC指纹图谱进行了相似性评价;在此基础上用系统聚类分析法定性地对这10种样品进行了分类和鉴别。
2.
In this paper,Fourier transform infrared spectroscopy(FTIR)combined with hierarchical cluster analysis was used to identify 63 samples of Boletus speciosus from five different areas.
用傅里叶变换红外光谱技术结合系统聚类分析了5个不同产地的63个野生小美牛肝菌子实体样本。
3.
According to the land utilization data of Tibet in 2004,through hierarchical cluster analysis of SPSS,this paper comprehensively analyzes the land utilization structure type and social economy development foundation of Tibet,discusses the land utilization district based on the region uniformity.
依据2004年西藏土地利用数据,在全面分析西藏土地利用结构类型和社会经济发展的基础上,结合地域一致性,建立土地利用结构、经济指标体系,运用多元统计软件SPSS的系统聚类分析法,将西藏土地利用划分为藏中综合发展区、藏东农林牧区、藏南农牧区和藏北牧区,并综合分析评述了各分区土地利用现状、经济发展特征及土地利用功能与方向。
5) cluster analysis
系统聚类分析
1.
Eight resistant indexes being used as appraisal standards to rice blast,cluster analysis were conducted on 47 Yunnan local rice varieties and Tetep (a rice variety with durable resistance to rice blast) , Moroberekan (a rice variety which is conceived as durable resistance to rice blast) and B40 (a rice variety with high susceptibility to rice blast).
以 Tetep、Moroberekan、B40为抗、感对照 ,用 8个抗性组分 ,对 47个云南地方稻种资源的抗瘟性进行了系统聚类分析。
2.
This paper uses principal component analysis to know that Collective economy is the most in investment in fixed assets and cluster analysis to classify thirty province.
文章对2006年中国部分省市的有关数据进行统计研究,利用Matlab进行主成分分析和系统聚类分析得出中国部分省市的固定资产投资情况。
3.
Based on the principal components analysis,cluster analysis and overlay analysis,four regions are built.
运用主成分分析、系统聚类分析和叠加分析,将兰州市划为4个分区,结果表明,市内5区与周边3县在经济发展上存在着较大的差异,而生态环境与社会水平上的差异并不显著。
6) system cluster analysis
系统聚类分析
1.
Application of system cluster analysis in classification of farmer household ecosystems.;
系统聚类分析在农户生态系统类型划分中的应用
2.
Based on the field data collected from these cultivars regarding the growth and tree form, the genetic relationship of them was analyzed with the method of the shortest distance in system cluster analysis.
通过对锥栗八个主栽品种的各种特性数量的调查 ,采用系统聚类分析方法中的最短距离法 ,经过计算机分析 ,确定了各个主栽品种之间的亲缘关系 ,对品种鉴别和利用具有一定的理论和实践意义。
3.
The map obtained by nonlinear mapping analysis could well represent the classification of different cities with different levels and the results are much better than that obtained by system cluster analysis.
结果表明,非线性映射方法通过对高维样本进行降维处理,使不同城市化水平等级的城市得以清晰地划分,结果直观形象地显示在二维平面中,从而实现了水平近似城市的聚类,克服了以往系统聚类分析法所得结果不够直观、存在虚假归并等问题,为城市化水平的定量判定提供了一种新方法。
补充资料:谱系聚类分析
分子式:
CAS号:
性质:又称谱系聚类分析。计算n个样本两两之间的距离,将距离最近的两个样本归并为一个新类,再计算新类与当前各类的距离,将距离最近的两类再合并为一个新类。反复进行上述操作,直至所有样本都归为一类为止。它是各种聚类方法中应用最多的一种。
CAS号:
性质:又称谱系聚类分析。计算n个样本两两之间的距离,将距离最近的两个样本归并为一个新类,再计算新类与当前各类的距离,将距离最近的两类再合并为一个新类。反复进行上述操作,直至所有样本都归为一类为止。它是各种聚类方法中应用最多的一种。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条