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2下载:
基于决策树的n则交叉验证分类器
(决策树程序直接调用matlab中的)
crossvalidate.m N则交叉验证程序,N可选
NDT.mat 含9个国际公认标准数据集,已做过标么处理,可直接使用
专业-n Based on Decision Tree is cross-validation classification (decision tree directly call the Matlab) cr ossvalidate.m N is cross-validation
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LIBSVM 是台湾大学林智仁 (Chih-Jen Lin) 博士等开发设计的一个操作简单、易于使用、快速有效的通用 SVM 软件包,可以解决分类问题(包括 C- SVC 、n - SVC )、回归问题(包括 e - SVR 、 n - SVR )以及分布估计( one-class-SVM )等问题,提供了线性、多项式、径向基和 S 形函数四种常用的核函数供选择,可以有效地解决多类问题、交叉验证选择参数、对不平衡样本加权、多类问题的概率估计等。,LIBSVM is林智仁Taiwan Univ
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图像分类中的交叉验证方法,比如说,一个训练集集合,为了得到其中参数的较准确值,就可以使用此类算法-Image Classification Based on cross-validation method, for example, a collection of training set, in order to obtain more accurate values of these parameters, you can use these algorithms
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Feature Selection using Matlab.
The DEMO includes 5 feature selection algorithms:
• Sequential Forward Selection (SFS)
• Sequential Floating Forward Selection (SFFS)
• Sequential Backward Selection (SBS)
• Se
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classification cross validation
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是一種線性方成的分類器。SVM透過統計的方式將雜亂的資料以NN的方式分成兩類,以便處理。LIBLINEAR is a linear classifier for data with millions of instances and features. It supports L2-regularized logistic regression (LR), L2-loss linear SVM, and L1-loss linear SVM. -Main features of LIBLINEA
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The code implements a probabilstic Neuraol network for classification problems trained with a Leave One Out Cross Validation Scheme in Matlab (version 7 or above). The following toolboxes are required: statidtics, optimization and neural networks.
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MATLAB cross-validation tool for classification and regression v0.1
FEATURES:
+ K-fold cross validation.
+ Arbitrary train and prediction functions with parameters can be used.
+ Arbitrary loss function can be used.
+ Wrappers for
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训练错误率和交叉验证错误率相等,在样本比较大时,这个结果是可以预期的;训练错误率一般低于测试错误率,但是当样本数据比较少时,实验也出现了意外,样本多的那组测试错误率比样本少的训练错误率还要小;在本实验中,同组数据的交叉验证错误率比独立测试错误率高,这个反常现象是因为样本的原因所致,交叉验证的样本小,而独立测试时所用训练样本数目大,因而出现这种情况。分类线上,fisher准则是一条直线,而贝叶斯分类器实际上是一个类似椭圆的封闭曲线;很明显,贝叶斯分类器比fisher分类器要好。-Training
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非常好的5倍交叉验证的程序,可以进行svm分类,推荐大家使用,非常好的-Very good 5-fold cross-validation procedure, svm classification, we recommend using the very good
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机器学习大牛Dale Schuurmans写的多类SVMs的快速实现算法,可以自己修改核函数,通过K-fold cross validation训练得到最优参数,分类效果很好-Machine learning large cattle Dale Schuurmans write multi-class SVMs fast algorithm, can modify the kernel function, the optimal parameters through K-fold cross v
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对iris数据集分类 采用bp网络 利用交叉验证优化参数-Classification of the iris data set bp network use of cross-validation optimization parameters
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提出一种基于粗糙集与支持向量机的客户动态评估方法。根据客户群特点从当前价值、潜在价值和附加价值三个维度分析并构建客户评估指标,利用指标的年增幅率监测客户价值的变化规律。应用粗糙集布尔推理算法、粒子群算法实现连续属性离散化和知识约简。通过10-重交叉验证和网格搜索技术获取最优惩罚因子与核参数,缩放样本数据集并完成支持向量机一对一分类器的训练与测试。结果表明该评估方法能够实现周期性的客户价值评估与细分,具有很强的泛化能力。- A customer dynamic evaluation method
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Successful classification ratio dynamic over the number of terminal nodes: cross-validation
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This a code for doing cross validation in a case of Batik classification-This is a code for doing cross validation in a case of Batik classification
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使用Python实现朴素贝叶斯分类,文件夹中附带数据集。实现了NB算法,并进行5倍交叉验证-Naive Bayes classifier using the Python implementation, the folder with the data set. NB implements the algorithm, and 5-fold cross-validation
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利用Python语言来实现KNN分类,并且实现了交叉验证。-Python language to use KNN classification, and to achieve a cross-validation.
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Classification code using cross validation
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Iris数据的最近邻分类与k近邻分类程序,以及5路交叉验证,适合于新手学习,附有数据集-And nearest neighbor classification k-nearest neighbor classification procedure Iris data, as well as 5-way cross-validation, suitable for novices to learn, with data collection
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实现PCA分类.1、进行PCA的交叉检验。2、对数据进行PCA降维。3、进行分类,交叉检验。4、构造训练和测试的数据(PCA classification,Cross validation of PCA,PCA dimensionality reduction for data.)
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