查询词典 cluster sampling

The situation after the first M step is shown in plot, in which the mean of the blue Gaussian has moved to the mean of the data set, weighted by the probabilities of each data point belonging to the blue cluster, in other words it has moved to the centre of mass of the blue ink. Similarly, the covariance of the blue Gaussian is set equal to the covariance of the blue ink.

图显示了初始的 E 步骤，用红色表示用红色 component 产生的后验概率，蓝色也是同样的情况，还有一些不太确定的点是用紫色显示的，在图中蓝色的高斯的均值已经移到了蓝色数据集的中心上，类似的，蓝色高斯的协方差设为蓝色点的协方差。

This is because using this distance, we measure how similar the current pixel colour is to the cluster centroid.

这是因为使用这个距离，我们衡量类似目前的像素颜色到群集心。

So if for instance, pixel 110,215,110 will be closest based on Euclidean Distance to first cluster centroid and pixel 50,80,160 will be closest to the second.

因此，如果举例来说，像素110215110将最接近欧氏距离的基础上，以第一组心和像素50，80，160将最接近第二。

M in the Region of East China Sea in 2000,the spatial distribution patterns of cephalopod assemblages were analyzed by using cluster analysis and non-metric multidimensional scaling.

由于过度捕捞和环境变化，传统的鱼类资源急剧下降，近年来头足类资源的产量不断增加[1]，人们越来越关注头足类资源的开发利用。

From left to right above the moonlit peaks, the stars of Auriga give way to bright giant star Aldebaran eye of the Taurus the Bull, the Pleiades star cluster, alpha Ceti, and finally alpha Phoenicis of the Phoenix.

在群峰上方的星空由左至右，还可以见到金牛座的亮巨星毕宿五(Aldebaran；牛眼)、昴宿星团、天囷一、及凤凰座的最亮星火鸟六。

With the deepening of hydrophobic modification,the dispensability of modified starch in organic solvent liquid paraffin is markedly enhanced. The particle shape changes from rarefaction to cluster grape ball agglomeration state. The long chain group of methoxyl silane coupling agents KH570 is linked with the anhydrous glucose units of the cross-linked starch.

随着疏水化改性程度的加深，改性淀粉在液体石蜡有机介质中的分散性明显增强；颗粒形态由疏松态向串状葡萄球团聚态转变；在交联淀粉脱水葡萄糖单元羟基上引入了甲氧基硅烷偶联剂KH570的长链基团。

Economic globalization ; global value chain ; model of drive ; cluster ; industry upgrading

经济全球化；全球价值链；驱动模式；地方产业集群；产业升级

With replacing the chain by equivalent sphere,a cluster is simplified to a planar array,and this planar array is simplified to a chain,then the dipole moment is obtained.

在这一过程中，通过不断增加等效球的尺寸，将颗粒间的相互作用包含在簇的偶极矩中。

In order to overcome the limitation, by using the character of in size order for continuous attributes and error theory of statistics, this paper proposes an algorithm of discretization based on cluster.

文中针对这一缺陷，利用连续数值属性有序性的性质和统计方差理论，提出了一种基于聚类的连续属性离散化算法。

A cluster of seven stars in the constellation Ursa Major, four forming the bowl and three the handle of a dipper-shaped configuration.Also called Charles's Wain, Plow

北斗七星：大熊星座的七颗星组，其中四颗形成长柄勺状结构的勺斗部分，另三颗形成其勺柄部分也作 Charles's Wain， Plow

It usually does not like ordinary movable, could be criminals or physical transfer to abscond with, and more cases are generally illegal occupation.

它往往不能像普通动产那样，可以被犯罪分子进行物理转移或携以潜逃，因而更多情况下属于一般违法侵占行为。

In 1896 the Holy Child nuns opened the Cavendish Square Training College for secondary teachers.

在1896年罗马儿童修女卡文迪什广场开设了培训学院的中学教师。