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MyKmeans
实现聚类K均值算法: K均值算法:给定类的个数K,将n个对象分到K个类中去,使得类内对象之间的相似性最大,而类之间的相似性最小。 缺点:产生类的大小相差不会很大,对于脏数据很敏感。 改进的算法:k—medoids 方法。这儿选取一个对象叫做mediod来代替上面的中心 的作用,这样的一个medoid就标识了这个类。步骤: 1,任意选取K个对象作为medoids(O1,O2,…Oi…Ok)。 以下是循环的: 2,将余下的对象分到各个类中去(根据与medoid最相近的原则); 3,对于每个类(Oi)中,顺序选取一个Or,计算用Or代替Oi后的消耗—E(Or)。选择E最小的那个Or来代替Oi。这样K个medoids就改变了,下面就再转到2。 4,这样循环直到K个medoids固定下来。 这种算法对于脏数据和异常数据不敏感,但计算量显然要比K均值要大,一般只适合小数据量。(achieving K-mean clustering algorithms : K-means algorithm : given the number of Class K, n will be assigned to target K to 000 category, making target category of the similarity between the largest category of the similarity between the smallest. Disadvantages : class size have no great difference for dirty data is very sensitive. Improved algorithms : k-medoids methods. Here a selection of objects called mediod to replace the center of the above, the logo on a medoid this category. Steps : 1, arbitrary selection of objects as K medoids (O1, O2, Ok ... ... Oi). Following is a cycle : 2, the remaining targets assigned to each category (in accordance with the closest medoid principle); 3, for each category (Oi), the order of selection of a Or, calculated Oi Or replace the consumption-E (Or))
- 2005-07-26 01:32:58下载
- 积分:1
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Matlab-code
Simulation Antennas_UWB beamforming
- 2011-05-29 06:53:24下载
- 积分:1
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PSO
particle swarm optimization
- 2011-07-28 13:22:29下载
- 积分:1
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14节点系统牛顿拉夫逊法潮流计算程序IEEE14
14节点系统牛顿拉夫逊法潮流计算程序.jingdiansuanfa..(Newton Raphson power flow calculation program 14-node system. Jingdiansuanfa ..)
- 2020-07-07 04:58:57下载
- 积分:1
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New_test1
the example source code for the pmw generate signal
- 2010-02-25 20:13:25下载
- 积分:1
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control-deg
This is control design and simulation document of PMSM. Hope you can edit and use it to your exercise. It is not actually integrated but I think it will be useful for you.
- 2013-11-07 23:16:33下载
- 积分:1
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robot
基于虚拟现实技术创建的仿人机器人双臂协调研究平台。(Based on virtual reality technology to create a humanoid robot arm coordinate research platform.)
- 2011-05-26 08:50:31下载
- 积分:1
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jisuanjimoni
Matlab计算机模拟的源代码,希望对大家有用(Matlab)
- 2009-11-27 11:17:11下载
- 积分:1
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trankgame
MATLAB写的拖拉机游戏,有志学习MATLAB的请进(Written in MATLAB tractor games, who are interested to learn MATLAB to Come)
- 2009-12-24 20:51:03下载
- 积分:1
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Fractal1
是用分形盒维数算图像的分维数,是我研究生的一个作业的程序()
- 2020-12-22 19:39:07下载
- 积分:1