Introduction - If you have any usage issues, please Google them yourself
		 
(1) Bayes classification 
 Known N = 9, = 3, n = 2, C = 3, x = should ask which category? 
(2) Cluster 
 C-means clustering algorithm using cluster analysis on IRIS data 
(3) discriminant analysis 
 Pattern recognition tasks completed on ORL face database standard or Yale. 
 With PCA and nuclear-based PCA (KPCA) method to complete the reconstruction of the face image recognition test.