├── .DS_Store ├── ANN ├── .DS_Store ├── ANN.m ├── ANN_diff_M.m ├── ANN_diff_params.m ├── ANN_momentum.m └── CS229_Hw6_xiaopeng.pdf ├── PCA_SVD ├── .DS_Store ├── PCA_FS.m ├── PCA_example.m ├── SVD_FS.m ├── d_face │ ├── .DS_Store │ ├── image_0001.jpg │ ├── image_0002.jpg │ ├── image_0003.jpg │ ├── image_0004.jpg │ ├── image_0005.jpg │ ├── image_0008.jpg │ ├── image_0022.jpg │ ├── image_0023.jpg │ ├── image_0024.jpg │ ├── image_0025.jpg │ ├── image_0026.jpg │ ├── image_0042.jpg │ ├── image_0043.jpg │ ├── image_0044.jpg │ ├── image_0045.jpg │ ├── image_0046.jpg │ ├── image_0377.jpg │ ├── image_0404.jpg │ └── image_0425.jpg └── d_plane │ ├── .DS_Store │ ├── image_0021.jpg │ ├── image_0034.jpg │ ├── image_0104.jpg │ ├── image_0113.jpg │ ├── image_0116.jpg │ ├── image_0345.jpg │ ├── image_0346.jpg │ ├── image_0347.jpg │ ├── image_0348.jpg │ ├── image_0349.jpg │ ├── image_0434.jpg │ ├── image_0435.jpg │ ├── image_0436.jpg │ ├── image_0437.jpg │ ├── image_0438.jpg │ ├── image_0708.jpg │ ├── image_0709.jpg │ ├── image_0710.jpg │ └── image_0711.jpg ├── README.md ├── Reinforcement ├── .DS_Store ├── RL1.m ├── RL2.m └── RL3.m ├── SVM ├── .DS_Store ├── CS229_Hw7_xiaopeng.pdf ├── demo_libsvm_kernel.m ├── demo_libsvm_linear_binary.m ├── libsvm_5fold.m ├── libsvm_crossval.m ├── linear_5fold.m ├── matlab_svm_crossval.m ├── poly_5fold.m ├── rbf_5fold.m ├── white_wine ├── winequality-red.csv └── winequality-white.csv ├── bayesian_regression ├── .DS_Store ├── CS229_Hw2_xiaopengxu.pdf ├── bayesianregression.m ├── html │ ├── bayesianregression.html │ ├── bayesianregression.png │ ├── bayesianregression_01.png │ └── bayesianregression_02.png └── imagesc_normal.m ├── clustering ├── DBScan.m ├── clu_data.txt ├── expandCluster.m ├── hierarchical_cluster.m ├── k_means.m └── test_DBScan.m ├── decision_tree ├── C4_5.m ├── CS229_Hw5_XiaopengXu.pdf ├── Code2equ.m ├── Code2hw5p2.m ├── Code2p2.m ├── GainRatio.m ├── code2hw5p1.m ├── p2data.txt └── p2data_changed.txt ├── kNN ├── CS229_Hw4_4_Xiaopeng.pdf ├── kNN.m ├── logreg_data_3class.txt ├── logreg_data_binary.txt ├── test_data_3class.txt └── test_data_binary.txt ├── linear_regression ├── .DS_Store ├── Sum_sqr_err.jpg ├── batchgradientdescent.m ├── html │ ├── batchgradientdescent.html │ ├── batchgradientdescent.png │ ├── batchgradientdescent_01.png │ ├── batchgradientdescent_02.png │ ├── batchgradientdescent_eq08165.png │ ├── batchgradientdescent_eq25947.png │ ├── batchgradientdescent_eq28128.png │ ├── batchgradientdescent_eq31413.png │ ├── batchgradientdescent_eq61019.png │ ├── batchgradientdescent_eq64535.png │ ├── maximumlikelihold.html │ ├── maximumlikelihold.png │ ├── maximumlikelihold_01.png │ ├── maximumlikelihold_eq01207.png │ ├── maximumlikelihold_eq52286.png │ ├── maximumlikelihold_eq58247.png │ ├── stochgradientdescent.html │ ├── stochgradientdescent.png │ ├── stochgradientdescent_01.png │ ├── stochgradientdescent_02.png │ ├── stochgradientdescent_eq08165.png │ ├── stochgradientdescent_eq25947.png 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