After discussing the concepts, techniques and algorithms about clustering, a grid and density based cluster algorithm was proposed.
讨论数据挖掘中聚类的相关概念、技术和算法。
The paper based on the researching of these methods, combining with the excellence of the grid and density methods, applying the adapter gird to grid partition.
本文在研究上述两类算法的基础上,结合网格和密度算法的优点,把自适应网格技术应用到网格划分上。
Ni : Average population density in area i. To simplify the analysis, Earth’s surface is divided into a grid of squares i, and the distribution is assumed to be uniform in each.
Ni:指i区的平均人口密度,为了简化分析,地球表面被按照网格分成多个i区,每个区的分布假定是统一的。
It ascertains the optimum grid granularity and density threshold on the basis of the situation in which dense and sparse grid is generated during the procedure of grid dynamical partitioning.
在网格动态划分过程中,根据密网格和稀疏网格的产生情况,确定最佳网格粒度与密度阈值。
Then the Contribution is the grid density and dispose of density threshold of grid by the method of density threshold.
然后将“贡献度”作为网格单元密度,使用密度阈值函数来定义网格的密度阈值进行聚类。
In this case, the top-level grid generates the maximum number of cells, and that number depends on the level 1 density.
如果出现这种情况,顶级网格将生成最大数目的单元格,该数目具体取决于“级别1”密度。
The paper mainly discusses a clustering algorithm based on density and grid in data mining, which has high clustering efficiency and low time complexity.
该文主要讨论数据挖掘中一种基于密度和网格的聚类分析算法及其在客户关系管理中的应用。
And the methods can be divided into portioning method, hierarchical method, density-based method, grid-based method and model-based method.
现有的聚类分析算法可划分为:划分方法、层次的方法、基于密度的方法、基于网格的方法和基于模型的方法。
The research also indicates that, the oscillation occurs in the grid and when it exceeds the density lock, the stratification will be destroyed.
研究发现栅格内会发生振荡现象,当振荡超出密度锁时,分层被破坏。
In the given time steps, all the smoke on the grid unit with density value stored in it are drawn and the diffusion effect can be seen when all the smokes are connected.
在给定的时间步长数内,我们把所有存储有密度值的网格点上的烟雾都——绘制出来,连在一起便能看到烟雾的扩散效果。
The influences of partial improvement of grid density and different solution methods of linear equations on...
讨论了网格局部加密和不同线性方程迭代方法对程序收敛的影响。
The influences of grid density and time-step on calculation accuracy and computation time are analyzed. The simulation results of transient thermal flow fi…
文献中对某六缸柴油机的冷却系统进行了稳态流动与传热数值模拟研究。
The influences of grid density and time-step on calculation accuracy and computation time are analyzed. The simulation results of transient thermal flow fi…
文献中对某六缸柴油机的冷却系统进行了稳态流动与传热数值模拟研究。
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