机器学习算法中异常检测算法（PCA、Kmeans）-Machine learning algorithms in anomaly detection algorithm

机器学习常用方法的python实现，包括PCA，随机森林，决策树，层次聚类，kmeans，KNN，线性感知机等(Python implementation of common machine learning methods, including PCA, random forest, decision tree, hierarchical clustering, kmeans, KNN, linear perceptron, etc.)