prtools--matlab中模式识别的工具箱 里面附带工具箱的说明。 解压后将文件夹放入matlab的tool目录中，即可调用其中的源文件。 下面是说明文件的目录： A Matlab Toolbox for Pattern Recognition R.P.W. Duin, P. Juszczak, P. Paclik, E. Pekalska, D. de Ridder, D.M.J. Tax Table of Contents 1. Motivation 5 2. Essential concepts 6 3. Implementation 8 4. Advanced example 10 5. Some Details 12 5.1 Datasets 12 5.2 Datasets help information 13 5.3 Classifiers and mappings 16 5.4 Mappings help information 18 5.5 How to write your own mapping 23 6. References 26 7. A review of the toolbox 27 D atasets and Mappings 28 Data Generation 28 Linear and Higher Degree Polynomial Classifiers 29 Normal Density Based Classification 30 Nonlinear Classification 30 Feature Selection 31 Classifiers and Tests (general) 31 Mappings 33 Combining classification rules 34 Image operations 34 Clustering and Distances 35 Plotting 35 Examples 35 8. Examples 37 - 4 -8.1 PREX_CLEVAL Learning curves 37 8.2 PREX_COMBINING PRTOOLS example of classifier combining 38 8.3 PREX_CONFMAT Confusion matr ix, scatterplot and gridsize 39 8.4 PREX_DENSITY Various density plots 40 8.5 PREX_EIGENFACES Use of images and eigenfaces 41 8.6 PREX_MATCHLAB Clustering the Iris datase