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coursera-ml-using-matlab-python's Introduction

ML-code-using-matlab-and-python

coursera吴恩达机器学习课程作业自写Python2.7版本,使用jupyter notebook实现,使代码更有层次感,可读性强。

本repository实现算法包括如下:

线性回归: linear_regression.ipynb

多元线性回归:linear_multiple.ipynb

逻辑回归:logic_regression.ipynb

正则化用于逻辑回归: logic_regularization.ipynb

模型诊断+学习曲线: learnCurve.ipynb

一对多分类模型:oneVSall.ipynb

神经网络模型:neuralNetwork.ipynb

SVM分类器:svm.ipynb

kmeans聚类:kmeans.ipynb

pca降维:pca.ipynb

高斯分布用于异常检测:anomaly_detection.ipynb

协调过滤推荐算法:Collaborative_Filter.ipynb

PS:网上其他参考资料分享:

1.课程作业原版是MATLAB版本(填空式编码):对应 machine-learning-ex1——ex8 文件夹

2.kaleko整理的jupyter notebooks版本:对应 coursera_ml_ipynb 文件夹

3.mstampfer对照原版作业格式整理的Python版本,可以尝试自己实现

4.AceCoooool整理的Python版本,有中文注释

5.如果需要了解更多算法知识,本人使用jupyter notebook整理的peter的《机器学习实战》代码

6.本人自写的,关于吴恩达(Andrew Ng)开设的深度学习课程deeplearning.ai的课程答案

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coursera-ml-using-matlab-python's Issues

有点疑问

您好我想问一下ex2中的 Expected value: 0.775 +/- 0.002 这个 +/- 0.002的精度是怎么来的呢

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