比较不同的系统聚类方法,类平均法能较好适合辣椒品种的数量分类。
Compared with other systematic clustering method, UPGMA would be better for the numerical taxonomy of the capsicum varieties.
本文从各种距离之间的关系来对重心法、类平均法及离差平方和法作一些分析比较。
By making an analysis of different relations of distance, method of gravity center, method of mean value of class and method of sum of squares of deviations are compared in this paper.
通过具有教学普遍意义的“夫兰克-赫兹实验”中原子定态能级分析,指出常用的平均法或“类平均法”的局限性。
Experimental result, such as excitation potential in Frank-Hertz experiment, can be quantitatively presented with least-squares fit instead of the average method.
在平均欧氏距离系数基础上,运用UPGMA法,对甘草属12个类群的核型资料进行了Q型聚类分析。
In this paper, based on average Eucli dean distance coefficient, using UPGMA, Q cluster analysis for karyotype of 12taxa in genes glycyrrhiza L. have been conducted.
用平均连锁聚类法构建了样本的遗传相关聚类图。
A cluster dendrogram of the sample was constructed using average linkage clustering.
用组平均聚类法将汾河河漫滩草地植被分为12个群落,并对每个群落的群落学特征进行了分析。
The grassland vegetation in flood plain of the Fen River were classified into 12 communities by the group average clustering method. The community characteristics of every community were described.
利用算术加权平均数法(UPGMA)对香果树居群进行聚类,结果9个居群可分成浙江省内和省外两大类群。
Using unweighted pair group method with arithmetic average (UPGMA), 9 populations of Emmenopterys henryi were clustered into two groups, inner-province group and outer-province group.
其中人脸特征提取采用了奇异值分解和主分量分析法,身份验证则采用了以类内平均距离为判据的算法。
Here, we use the singular value decomposition and principal component analysis for facial feature extraction, using the average distance category as discrimination on the basis of authentication.
其中人脸特征提取采用了奇异值分解和主分量分析法,身份验证则采用了以类内平均距离为判据的算法。
Here, we use the singular value decomposition and principal component analysis for facial feature extraction, using the average distance category as discrimination on the basis of authentication.
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