查询词典 clustering

It is an effective way to comprehensively evaluate the drought tolerance of foxtail millet by Principal Component Analysis and Fuzzy Clustering,which not only could avoid the bias and the instability of single factor analysis,but also reflect the relationship between different drought tolerance related traits and drought tolerance in foxtail millet better.

利用主成分分析，结合模糊聚类的方法进行谷子的抗旱性综合评价，不仅可以避免单一指标的片面性和不稳定性，而且可以较好地揭示谷子抗旱相关性状与其抗旱性的关系。

Clustering analysis showed that the 19 populations of Fritillaria could be distinctively classified into 4 groups.

聚类分析结果显示，所有供试材料均可区分开，并聚为4组。

But there was a functional transformation of humanity factors in the development of industrial clustering.

从对浙江绍兴纺织产业集群的研究可见，在市场发展早期要素市场缺失的情况下，人文因素对产业集群中集群主体和要素资源的聚集发挥了重大作用。

Humanity factors are formed while human beings have been contacting each other during long period of time, including traditional culture, humanistic nets and so on. But there was a functional transformation of humanity factors in the development of industrial clustering.

人文因素是在人们的长期交往中形成的，涵盖传统文化、人文网络等要素，它在产业集群发展中经历了一个功能转变的过程。

Machine learning algorithm E M, the code is based on the Gaussian mixture model clustering algorithm E.

机器学习中的E M算法，本代码是基于高斯混合模型的E M 算法聚类。

Clustering algorithm ; Greedy strategy ; EM algorithm ; Gaussian mixture model; Model learning

聚类算法；贪心策略；期望最大化算法；高斯混合模型；模型学习

New type of fuzzy clustering model, based on least sum of entropy and generalized distance of weight, has been put forward. Weight of indexes is considered in the model.

4提出了基于模糊熵及权广义距离之和最小的新型的模糊聚类模型，该模型考虑了指标的权重。

The similarity measure of the clustering objects heavily affects the cluttering result, so the author studies the problems about similarity measure, and proposes a generalized distance.

聚类对象的相似性度量对聚类结果的影响很大，因而研究了聚类中的相似性度量问题，提出了广义距离概念。

A generalized Gaussian Laplacian eigenmap algorithm based on geodesic distance is proposed,which incorporates geodesic distance and generalized Gaussian function into the original Laplacian eigenmap algorithm.GGLE algorithm can adjust the similarities between nodes of neighborhood graph,and can preserve the different degrees of local properties by using super-Gaussian function,Gaussian function or sub-Gaussian function.Moreover,GGLE can avoid the deficiency of Euclidean distance by using geodesic distance when neighborhoods of data points are enlarged for preserving more neighborhood relations.Experimental results show that the global low-dimensional coordinates obtained by GGLE have different clustering properties and different degrees of preserving local neighborhood structures when different generalized Gaussian functions are used to measuring the similarities between high-dimensional data points.(3) An ensemble-based discriminant algorithm based on GGLE is proposed.

该算法将测地线距离和广义高斯函数融合到传统的拉普拉斯特征映射算法中，可以调整近邻图结点间的相似度，通过选择超高斯、高斯或者次高斯函数来实现不同程度的近邻局部特性的保持；而且当需要保持更多的近邻关系使得数据点邻域增大时，采用测地线距离可以避免欧氏距离度量不合理的缺陷；实验结果表明在用不同的广义高斯函数度量高维数据点间的相似度时，局部近邻结构保持的程度是不同的，GGLE获得的全局低维坐标也呈现出不同的聚类特性。

A clustering analysis method is used in the optimization of observed gravity data during the computation of local geoid.

针对局部大地水准面的求解过程，将聚类分析方法用于重力观测数据的优化设计。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。