中文说明：
用mushrooms数据对模式识别课程讲述的各种模式分类方法[线性分类，Bayesian分类，Parzen窗，KNN]和特征选择和降维方法[PCA,LDA]进行了模拟，并给出了各类分类方法的结果
English Description：
In this paper, we use mushrooms data to simulate all kinds of pattern classification methods [linear classification, Bayesian classification, Parzen window, KNN] and feature selection and dimension reduction methods [PCA, LDA], and give the results of all kinds of classification methods