group data

, primary keys retrieval of dispersed points, group data ( data matrix or pieces of data set) retrieval, and logical expression retrieval with Secondary keys.

成组数据（数据矩阵或数据块）检索以及按次关键字的逻辑表达式检索。

Using approximately optimal approach, multi-class samples are divided into two groups in the decision root node, and the maximum distance of cluster center and the minimal differences of sample data can gained in the same group data.

在决策根节点，采用近似最优方法将多类别样本分成两组，并使其聚类中心距离最大，且每组样本数据分歧最小。

One poll, by the progressive group Data for Progress, shows that 71 percent of the public-including 60 percent of Republicans-supports a$ 30 billion pandemic-prevention plan recently floated by President Biden.

进步组织Data for Progress进行的一项民意调查显示，71%的公众——包括60%的共和党人——支持拜登总统最近提出的300亿美元的流行病预防计划。

The CREATE table statement now provides three ways to group data in a database table.

CREATE table语句现在提供了三种方式来组织数据库表中的数据。

Coordinate all ERP system maintenance between China and Group Data Center.

协助中国与集团数据中心间ERP系统的维护工作.

A method for managing dynamic and static data in process planning database is proposed. How to group data source into tables and settle multi-dimensional tables in relative databases are put forward.

研究工艺数据库中工艺资源即各种静态数据和动态数据的组织方式，提出了一种将数据源合理的组织成表的方法及在关系到数据库系统中拆分多维表的方法；

Clustering is to group data objects into multiple clusters, in the same cluster objects in a high similarity, while objects in different clusters in the greater dissimilarity.

聚类就是将数据对象分组为多个簇，在同一个簇中的对象相似度较高，而不同簇中的对象相异度较大。

You can drag and drop field buttons to the sample chart. Double-click a number or date field in the chart to change how the chart will summarize or group data.

请将字段按钮拖放到示例图表中。双击图表中的数字或日期字段可以改变汇总或分组数据的方法。

This focus group data is from new york, atlanta.

数据分别来自于纽约，亚特兰大。