| prex_cleval | learning curves | more routines |
| prex_combining | classifier combining |
| prex_confmat | confusion matrix, scatterplot and gridsize |
| prex_datafile | datafile usage |
| prex_datasets | standard datasets |
| prex_density | Various density plots |
| prex_eigenfaces | Use of images and eigenfaces |
| prex_matchlab | K-means clustering and matching labels |
| prex_mcplot | Multi-class classifier plot |
| prex_plotc | Dataset scatter and classifier plot |
| prex_som | Training a SelfOrganizing Maps |
| prex_spatm | Spatial smoothing of image classification |
| prex_cost | Cost matrices and rejection |
| prex_logdens | Density based classifier improvement |
| prex_soft | Soft label example |
| prex_regr | Regression example |
