Rows that have the same value in the clustering columns are physically stored together in the same storage cell.
在集群列内的值相同的行可被一起物理存储在同一个存储单元中。
We have evaluated this clustering for several sample queries that restrict their search to a single group_PDB value (i.e., "HETATOM") and found that it can improve query performance fourfold.
我们已经通过几个将搜索限制于单个group _ PD b值(即hetatom)的样例查询评估了这种集群并发现它能够将查询性能提高四倍。
The proposed method to cluster customers is to combine response-surface method, adaptive-conjoint analysis technology and system-clustering method according to the value of customers needs utility.
综合应用响应曲面法、适应性关联分析技术和系统聚类法，提出了根据客户需求效用值进行客户群聚类划分的新方法；
The high probability outcome is a continuation of the uptrend with prices clustering near the value of trend line C.
很有可能出现的结果是上升趋势将继续，其间，价格在趋势线C的位置附近上下反复。
Research of K value optimization of spatial clustering.
典型空间聚类问题的k值优化研究。
The application of grey data mining model in the management and decision of logistics enterprises has proved that the grey forecasting model and clustering model is effective and of practical value.
灰色数据挖掘模型在物流企业的管理决策问题中的应用证明了基于灰色系统理论的灰色预测和聚类模型是有效的、具有实用价值的数据挖掘模型。
Computing method of weighted value for feature item based on text representation can determine extraction of text feature, which have influence on accuracy of the text clustering.
文本表示中特征项的权值计算方法决定了文本特征的提取，在很大程度上影响了文本聚类的准确率。
If quality characteristic value is not in the Gauss Distribution, clustering method is used to draw a control diagram.
对不服从正态分布的质量特性值，用聚类方法构作控制图。
Secondly, a new projection index based on dynamic cluster rule is constructed in the PPDC model, which would finish the sample clustering based on the projected characteristic value.
以投影寻踪理论为基础，利用动态聚类方法构建投影指标，建立了水资源评价的投影寻踪动态聚类模型。
Industrial clustering theory as a part of the industrial distribution, who is great research value.
产业集聚作为产业布局理论的一部分，有重大的研究价值。
This paper analyzes the degree of its node value, clustering coefficient, average shortest path, degree-related structures.
本文通过分析其结点度值、群聚系数、平均最短路径、度相关性结构。
Considering that their results are not all good, the concept of a confidence factor is proposed. According to the value of factor, we combine the clustering members that are better.
考虑到它们的结果不一定全部都是好的，因此提出了一个信任度系数的概念，根据系数值从中选择较优的那些聚类成员进行融合。
The data sets have features such as high-dimensional, sparseness and binary value in many clustering applications.
在许多聚类应用中，数据对象是具有高维、稀疏、二元的特征。
Secondly, a new projection index based on dynamic cluster rule is constructed in the PPDC model, which would finish the sample clustering based on the projected characteristic value.
在一个简单投影指标下，用新的优化途径建立了多元数据分类模型，并将其用于多指标的标准水质分类。
The problem is that both of the two algorithms cannot deal with mixed valued data, and clustering results significantly depend on the initial value.
但其缺点是不能处理混合属性数据，聚类结果对初值有明显的依赖性。
Sometimes, the definition of similarity in the clustering algorithm is not consistent with that in the cluster validity index, so that the value of index is useless in this case.
聚类算法与聚类评价指标所采取的相似性定义往往并不一致，这就导致了在某种意义下聚类评价指标的无用性。
Sometimes, the definition of similarity in the clustering algorithm is not consistent with that in the cluster validity index, so that the value of index is useless in this case.
聚类算法与聚类评价指标所采取的相似性定义往往并不一致，这就导致了在某种意义下聚类评价指标的无用性。
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