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pso
说明: 基于matlab的标准粒子群优化算法,?趍atlab的标准粒子群优化算法,(Matlab based on the standard particle swarm optimization algorithm,? 趍atlab standard particle swarm optimization algorithm,)
- 2008-11-21 11:06:31下载
- 积分:1
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matlabdePPTexp
说明: MATLAB的一些例子,PPT格式,方便易懂(MATLAB some examples PPT format to facilitate easy)
- 2006-04-19 21:16:41下载
- 积分:1
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Matlab-GUI
精通Matlab GUI 图形界面编程学习资料(Matlab GUI)
- 2012-08-26 18:26:42下载
- 积分:1
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mat_w0.85
matlab的程序包,可以用来计算复杂网络的各种参数(This matlab program package can calculate parameters of the network)
- 2013-10-23 17:13:53下载
- 积分:1
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ctpIF1005(20100416)
ctpIF1005(20100416)期货数据2010年4月16日(CtpIF1005 (20100416) futures data for April 16, 2010
)
- 2014-12-28 00:20:05下载
- 积分:1
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myfastica
快速ICA算法,用于盲源信号分离,快速有效(Fast ICA algorithm for blind source separation, quickly and efficiently)
- 2012-10-09 11:43:12下载
- 积分:1
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adaboost
AdaBoost元算法属于boosting系统融合方法中最流行的一种,说白了就是一种串行训练并且最后加权累加的系统融合方法。
具体的流程是:每一个训练样例都赋予相同的权重,并且权重满足归一化,经过第一个分类器分类之后,
计算第一个分类器的权重alpha值,并且更新每一个训练样例的权重,然后再进行第二个分类器的训练,相同的方法.......
直到错误率为0或者达到指定的训练轮数,其中最后预测的标签计算是各系统*alpha的加权和,然后sign(预测值)。
可以看出,训练流程是串行的,并且训练样例的权重是一直在变化的,分错的样本的权重不断加大,正确的样本的权重不断减小。
AdaBoost元算法是boosting中流行的一种,还有其他的系统融合的方法,比如bagging方法以及随机森林。
对于非均衡样本的处理,一般可以通过欠抽样(undersampling)或者过抽样(oversampling),欠抽样是削减样本的数目,
过抽样是重复的选取某些样本,最好的方法是两种进行结合的方法。
同时可以通过删除离决策边界比较远的样例。
(AdaBoost boosting systems dollar fusion algorithm is the most popular one, it plainly systems integration approach is a serial train and final weighted cumulative.
Specific process is: Each training example is given equal weight, and the weights satisfy normalization, after the first classifiers after
Calculating a first classifier weights alpha value for each sample and updates right weight training, and then the second classifier training, the same way .......
0, or until the specified error rate training rounds, wherein the label is the calculation of the final prediction system* alpha weighted and then sign (predicted value).
As can be seen, the training process is serial, and weight training examples is always changing, the right of the wrong sample weight continued to increase, the right to correct sample weight decreasing.
AdaBoost algorithm is an element, as well as other methods of boosting popular systems integration, such as bagging and random forest method.
For )
- 2014-07-09 19:24:29下载
- 积分:1
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TrunkingEfficient
Calculate Trunking Efficiency with MatLab
- 2009-10-18 18:53:58下载
- 积分:1
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GPSR
压缩感知信号重建
梯度投影法信号重建代码(Compressed sensing signal reconstruction signal reconstruction code gradient projection method)
- 2011-05-08 23:29:59下载
- 积分:1
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KFCESHI1
本人根据卡尔曼滤波原理,编写的Kalman小程序,简单可用!(I based on the principle of Kalman filtering, Kalman write small programs, simply available!)
- 2014-11-26 11:18:55下载
- 积分:1