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Title: GitHub - PannyVan/MachineLearning_Python: 机器学习算法python实现 · GitHub

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Description: 机器学习算法python实现. Contribute to PannyVan/MachineLearning_Python development by creating an account on GitHub.

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	https://github.com/PannyVan/MachineLearning_Python#机器学习算法python实现
线性回归	https://github.com/PannyVan/MachineLearning_Python/blob/master/LinearRegression
	https://github.com/PannyVan/MachineLearning_Python#一线性回归
全部代码	https://github.com/PannyVan/MachineLearning_Python/blob/master/LinearRegression/LinearRegression.py
	https://github.com/PannyVan/MachineLearning_Python#1代价函数
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	https://github.com/PannyVan/MachineLearning_Python#4最终运行结果
	https://github.com/PannyVan/MachineLearning_Python/blob/master/images/LinearRegression_01.png
使用scikit-learn库中的线性模型实现	https://github.com/PannyVan/MachineLearning_Python/blob/master/LinearRegression/LinearRegression_scikit-learn.py
	https://github.com/PannyVan/MachineLearning_Python#5使用scikit-learn库中的线性模型实现
逻辑回归	https://github.com/PannyVan/MachineLearning_Python/blob/master/LogisticRegression
	https://github.com/PannyVan/MachineLearning_Python#二逻辑回归
全部代码	https://github.com/PannyVan/MachineLearning_Python/blob/master/LogisticRegression/LogisticRegression.py
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	https://camo.githubusercontent.com/17d4d18b2575cfc08f228c765aa6a0e5b39f79ee34a3df1c5cc58e13a7d15bf5/687474703a2f2f63686172742e617069732e676f6f676c652e636f6d2f63686172743f6368743d7478266368733d317830266368663d62672c732c4646464646463030266368636f3d3030303030302663686c3d2537422532302d2532302535436c6f67253230253238253742685f253543746865746125323025374425323878253239253239253744
	https://github.com/PannyVan/MachineLearning_Python/blob/master/images/LogisticRegression_01.png
	https://camo.githubusercontent.com/553e837c6635683f520d7e824445d1daae62ad56e3cf8a832253d92a0522fba7/687474703a2f2f63686172742e617069732e676f6f676c652e636f6d2f63686172743f6368743d7478266368733d317830266368663d62672c732c4646464646463030266368636f3d3030303030302663686c3d253742253742685f253543746865746125323025374425323878253239253744
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	https://camo.githubusercontent.com/c537da7aea9f66b31a8c479ffa964f051cd683b4115716d84937037a41e76540/687474703a2f2f63686172742e617069732e676f6f676c652e636f6d2f63686172743f6368743d7478266368733d317830266368663d62672c732c4646464646463030266368636f3d3030303030302663686c3d2537422532302d2532302535436c6f67253230253238312532302d253230253742685f253543746865746125323025374425323878253239253239253744
	https://github.com/PannyVan/MachineLearning_Python/blob/master/images/LogisticRegression_02.png
	https://github.com/PannyVan/MachineLearning_Python#2梯度
	https://camo.githubusercontent.com/b4c704104dbc22b23f487f159ef20f29a99de6214668e0f428609a7901a4af9c/687474703a2f2f63686172742e617069732e676f6f676c652e636f6d2f63686172743f6368743d7478266368733d317830266368663d62672c732c4646464646463030266368636f3d3030303030302663686c3d253543667261632537422537422535437061727469616c2532304a25323825354374686574612532302532392537442537442537422537422535437061727469616c25323025374225354374686574612532305f6a25374425374425374425323025334425323025354366726163253742312537442537426d25374425354373756d2535436c696d6974735f25374269253230253344253230312537442535456d253230253742253542253238253742685f253543746865746125323025374425323825374278253545253742253238692532392537442537442532392532302d2532302537427925354525374225323869253239253744253744253239785f6a25354525374225323869253239253744253544253744253230
	https://github.com/PannyVan/MachineLearning_Python/blob/master/images/LogisticRegression_03.jpg
	https://github.com/PannyVan/MachineLearning_Python#3正则化
	https://camo.githubusercontent.com/b8584d987717f64f58a44a61e437e0af63a13c6a3bc7511d7b56b9f118b0b938/687474703a2f2f63686172742e617069732e676f6f676c652e636f6d2f63686172743f6368743d7478266368733d317830266368663d62672c732c4646464646463030266368636f3d3030303030302663686c3d4a25323825354374686574612532302532392532302533442532302532302d25323025354366726163253742312537442537426d25374425354373756d2535436c696d6974735f25374269253230253344253230312537442535456d25323025374225354225374279253545253742253238692532392537442537442535436c6f67253230253238253742685f25354374686574612532302537442532382537427825354525374225323869253239253744253744253239253230253242253230253238312532302d25323025374425323025374279253545253742253238692532392537442537442532392535436c6f67253230253238312532302d253230253742685f25354374686574612532302537442532382537427825354525374225323869253239253744253744253239253544253230253242253230253543667261632537422535436c616d626461253230253744253742253742326d25374425374425354373756d2535436c696d6974735f2537426a253230253344253230312537442535456e25323025374225354374686574612532305f6a25354532253744253230
	https://camo.githubusercontent.com/553e837c6635683f520d7e824445d1daae62ad56e3cf8a832253d92a0522fba7/687474703a2f2f63686172742e617069732e676f6f676c652e636f6d2f63686172743f6368743d7478266368733d317830266368663d62672c732c4646464646463030266368636f3d3030303030302663686c3d253742253742685f253543746865746125323025374425323878253239253744
	https://github.com/PannyVan/MachineLearning_Python#4s型函数即
	https://github.com/PannyVan/MachineLearning_Python#5映射为多项式
	https://camo.githubusercontent.com/c13817ab54a19a19c1d5ab73af10fd7e059ddf150f07af5d90bd8c6f66bfb656/687474703a2f2f63686172742e617069732e676f6f676c652e636f6d2f63686172743f6368743d7478266368733d317830266368663d62672c732c4646464646463030266368636f3d3030303030302663686c3d31253230253242253230253742785f31253744253230253242253230253742785f32253744253230253242253230785f3125354532253230253242253230253742785f31253744253742785f32253744253230253242253230785f3225354532
	https://github.com/PannyVan/MachineLearning_Python#6使用scipy的优化方法
	https://github.com/PannyVan/MachineLearning_Python#7运行结果
	https://github.com/PannyVan/MachineLearning_Python/blob/master/images/LogisticRegression_04.png
	https://github.com/PannyVan/MachineLearning_Python/blob/master/images/LogisticRegression_05.png
	https://github.com/PannyVan/MachineLearning_Python/blob/master/images/LogisticRegression_06.png
	https://github.com/PannyVan/MachineLearning_Python/blob/master/images/LogisticRegression_07.png
使用scikit-learn库中的逻辑回归模型实现	https://github.com/PannyVan/MachineLearning_Python/blob/master/LogisticRegression/LogisticRegression_scikit-learn.py
	https://github.com/PannyVan/MachineLearning_Python#8使用scikit-learn库中的逻辑回归模型实现
逻辑回归_手写数字识别_OneVsAll	https://github.com/PannyVan/MachineLearning_Python/blob/master/LogisticRegression
	https://github.com/PannyVan/MachineLearning_Python#逻辑回归_手写数字识别_onevsall
全部代码	https://github.com/PannyVan/MachineLearning_Python/blob/master/LogisticRegression/LogisticRegression_OneVsAll.py
	https://github.com/PannyVan/MachineLearning_Python#1随机显示100个数字
	https://github.com/PannyVan/MachineLearning_Python/blob/master/images/LogisticRegression_08.png
	https://github.com/PannyVan/MachineLearning_Python/blob/master/images/LogisticRegression_09.png
	https://github.com/PannyVan/MachineLearning_Python#2onevsall
	https://github.com/PannyVan/MachineLearning_Python/blob/master/images/LogisticRegression_11.png
	https://github.com/PannyVan/MachineLearning_Python#3手写数字识别
	https://github.com/PannyVan/MachineLearning_Python/blob/master/images/LogisticRegression_10.png
	https://github.com/PannyVan/MachineLearning_Python#4预测
	https://github.com/PannyVan/MachineLearning_Python#5运行结果
	https://github.com/PannyVan/MachineLearning_Python/blob/master/images/LogisticRegression_12.png
使用scikit-learn库中的逻辑回归模型实现	https://github.com/PannyVan/MachineLearning_Python/blob/master/LogisticRegression/LogisticRegression_OneVsAll_scikit-learn.py
	https://github.com/PannyVan/MachineLearning_Python#6使用scikit-learn库中的逻辑回归模型实现
	https://github.com/PannyVan/MachineLearning_Python/blob/master/images/LogisticRegression_13.png
	https://github.com/PannyVan/MachineLearning_Python#三bp神经网络
全部代码	https://github.com/PannyVan/MachineLearning_Python/blob/master/NeuralNetwok/NeuralNetwork.py
	https://github.com/PannyVan/MachineLearning_Python#1神经网络model
	https://camo.githubusercontent.com/1aed011979975984fe5b92a7a229020181009df9a9c1bed06eefd00fe5b81254/687474703a2f2f63686172742e617069732e676f6f676c652e636f6d2f63686172743f6368743d7478266368733d317830266368663d62672c732c4646464646463030266368636f3d3030303030302663686c3d253742785f30253744
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	https://github.com/PannyVan/MachineLearning_Python/blob/master/images/NeuralNetwork_01.png
	https://camo.githubusercontent.com/aef9b845aaaf8599b0c9642baef91331974adddc078f5f8213ac46070d8e6566/687474703a2f2f63686172742e617069732e676f6f676c652e636f6d2f63686172743f6368743d7478266368733d317830266368663d62672c732c4646464646463030266368636f3d3030303030302663686c3d615f31253545253742253238322532392537442532302533442532306725323825354374686574612532305f253742313025374425354525374225323831253239253744253742785f3025374425323025324225323025354374686574612532305f253742313125374425354525374225323831253239253744253742785f3125374425323025324225323025354374686574612532305f253742313225374425354525374225323831253239253744253742785f3225374425323025324225323025354374686574612532305f253742313325374425354525374225323831253239253744253742785f33253744253239
	https://camo.githubusercontent.com/eae232027694b14120c16f8c8959b47949cdcb76a4b24de3398e42fbf93bbf92/687474703a2f2f63686172742e617069732e676f6f676c652e636f6d2f63686172743f6368743d7478266368733d317830266368663d62672c732c4646464646463030266368636f3d3030303030302663686c3d615f32253545253742253238322532392537442532302533442532306725323825354374686574612532305f253742323025374425354525374225323831253239253744253742785f3025374425323025324225323025354374686574612532305f253742323125374425354525374225323831253239253744253742785f3125374425323025324225323025354374686574612532305f253742323225374425354525374225323831253239253744253742785f3225374425323025324225323025354374686574612532305f253742323325374425354525374225323831253239253744253742785f33253744253239
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	https://camo.githubusercontent.com/8891b3f6c279cdb9bd398c2bfdeaf0023916d0e6e74f00518359b1535db55e0a/687474703a2f2f63686172742e617069732e676f6f676c652e636f6d2f63686172743f6368743d7478266368733d317830266368663d62672c732c4646464646463030266368636f3d3030303030302663686c3d253742685f253543746865746125323025374425323878253239253230253344253230615f31253545253742253238332532392537442532302533442532306725323825354374686574612532305f253742313025374425354525374225323832253239253744615f302535452537422532383225323925374425323025324225323025354374686574612532305f253742313125374425354525374225323832253239253744615f312535452537422532383225323925374425323025324225323025354374686574612532305f253742313225374425354525374225323832253239253744615f322535452537422532383225323925374425323025324225323025354374686574612532305f253742313325374425354525374225323832253239253744615f3325354525374225323832253239253744253239
	https://camo.githubusercontent.com/e2321422e0cf2a9421b6156f76b561b53464891686b40ff75323e340696ac088/687474703a2f2f63686172742e617069732e676f6f676c652e636f6d2f63686172743f6368743d7478266368733d317830266368663d62672c732c4646464646463030266368636f3d3030303030302663686c3d672532387a253239253230253344253230253543667261632537423125374425374225374231253230253242253230253742652535452537422532302d2532307a253744253744253744253744
	https://camo.githubusercontent.com/de0300a7e4b3a9bad2caa70c4e2ac65b613dfa7041c1be8121af7568aa4ee8b5/687474703a2f2f63686172742e617069732e676f6f676c652e636f6d2f63686172743f6368743d7478266368733d317830266368663d62672c732c4646464646463030266368636f3d3030303030302663686c3d253742253543746865746125323025354525374225323831253239253744253744
	https://camo.githubusercontent.com/526d4578da84af99359938e018fd727fb9c73ad9843d22a599bf2bf00bad54c7/687474703a2f2f63686172742e617069732e676f6f676c652e636f6d2f63686172743f6368743d7478266368733d317830266368663d62672c732c4646464646463030266368636f3d3030303030302663686c3d253742253543746865746125323025354525374225323832253239253744253744
	https://camo.githubusercontent.com/a473a5ff8491bf78c70b4d5cc85f1f830ddabe9bd2941660ef2af968f094fb56/687474703a2f2f63686172742e617069732e676f6f676c652e636f6d2f63686172743f6368743d7478266368733d317830266368663d62672c732c4646464646463030266368636f3d3030303030302663686c3d25374225354374686574612532302535452537422532386a253239253744253744
	https://github.com/PannyVan/MachineLearning_Python#2代价函数
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	https://github.com/PannyVan/MachineLearning_Python#3正则化-1
	https://camo.githubusercontent.com/d3b4fb3a241e8c20bf1b253739e5af705126e41c8ef428ea72f76b34884de3a5/687474703a2f2f63686172742e617069732e676f6f676c652e636f6d2f63686172743f6368743d7478266368733d317830266368663d62672c732c4646464646463030266368636f3d3030303030302663686c3d253742535f6c253744
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	https://github.com/PannyVan/MachineLearning_Python#4反向传播bp
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	https://camo.githubusercontent.com/cc94e7a5ef0e68313b88405457d8763c6f5cd4f329bbb6db7f9b379784a47f82/687474703a2f2f63686172742e617069732e676f6f676c652e636f6d2f63686172743f6368743d7478266368733d317830266368663d62672c732c4646464646463030266368636f3d3030303030302663686c3d445f253742696a2537442535452537422532386c25323925374425323025334425323025354366726163253742312537442537426d25374425354344656c74612532305f253742696a2537442535452537422532386c2532392537442532302532422532302535436c616d62646125323025354374686574612532305f253742696a2537442535456c6a25323025334425323030253543626567696e2537426172726179253744253742632537442532302532302532302532302537422537442532362532302537426a25323025334425323030253744253230253230253543656e642537426172726179253744253230
	https://camo.githubusercontent.com/5ed51b9db0d20b277a16da42c6955986d2bbff74048bd16d9758a9b4ce8c63c3/687474703a2f2f63686172742e617069732e676f6f676c652e636f6d2f63686172743f6368743d7478266368733d317830266368663d62672c732c4646464646463030266368636f3d3030303030302663686c3d253543667261632537422537422535437061727469616c2532304a25323825354354686574612532302532392537442537442537422537422535437061727469616c25323025354354686574612532305f253742696a2537442535452537422532386c253239253744253744253744253230253344253230445f253742696a2537442535452537422532386c253239253744
	https://github.com/PannyVan/MachineLearning_Python#5bp可以求梯度的原因
	https://github.com/PannyVan/MachineLearning_Python/blob/master/images/NeuralNetwork_03.jpg
	https://github.com/PannyVan/MachineLearning_Python/blob/master/images/NeuralNetwork_04.png
	https://github.com/PannyVan/MachineLearning_Python#6梯度检查
	https://camo.githubusercontent.com/dd93629946f8969ee1398fe71b925e5a6e2ebdc38ea6542baf07e2f3b150f8e6/687474703a2f2f63686172742e617069732e676f6f676c652e636f6d2f63686172743f6368743d7478266368733d317830266368663d62672c732c4646464646463030266368636f3d3030303030302663686c3d25354366726163253742253742644a2532382535437468657461253230253239253744253744253742253742642535437468657461253230253744253744253230253543617070726f78253230253543667261632537422537424a2532382535437468657461253230253230253242253230253543766172657073696c6f6e2532302532392532302d2532304a25323825354374686574612532302532302d253230253543766172657073696c6f6e25323025323925374425374425374225374232253543766172657073696c6f6e253230253744253744
	https://github.com/PannyVan/MachineLearning_Python#7权重的随机初始化
	https://github.com/PannyVan/MachineLearning_Python#8预测
	https://github.com/PannyVan/MachineLearning_Python#9输出结果
	https://github.com/PannyVan/MachineLearning_Python/blob/master/images/NeuralNetwork_05.png
	https://github.com/PannyVan/MachineLearning_Python/blob/master/images/NeuralNetwork_06.png
	https://github.com/PannyVan/MachineLearning_Python/blob/master/images/NeuralNetwork_07.png
	https://github.com/PannyVan/MachineLearning_Python/blob/master/images/NeuralNetwork_08.png
	https://github.com/PannyVan/MachineLearning_Python/blob/master/images/NeuralNetwork_09.png
	https://github.com/PannyVan/MachineLearning_Python#四svm支持向量机
	https://github.com/PannyVan/MachineLearning_Python#1代价函数-2
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	https://github.com/PannyVan/MachineLearning_Python/blob/master/images/SVM_07.png
	https://github.com/PannyVan/MachineLearning_Python/blob/master/images/SVM_08.png
	https://camo.githubusercontent.com/e174a384cf1c56e89b5de8fcdbacc6c07ff4eee8a0f0a7185c6ba8f18365e683/687474703a2f2f63686172742e617069732e676f6f676c652e636f6d2f63686172743f6368743d7478266368733d317830266368663d62672c732c4646464646463030266368636f3d3030303030302663686c3d2537426c253545253742253238312532392537442537442537426c253545253742253238322532392537442537442537426c253545253742253238332532392537442537442e2e2e
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	https://camo.githubusercontent.com/224367134e014bc30f4ae7322e76d6ff182abc7f53c4b8b5013a0f5a8d8349a7/687474703a2f2f63686172742e617069732e676f6f676c652e636f6d2f63686172743f6368743d7478266368733d317830266368663d62672c732c4646464646463030266368636f3d3030303030302663686c3d2537426625354525374225323869253239253744253744253230253543696e253230253742522535452537426d25323025324225323031253744253744
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	https://github.com/PannyVan/MachineLearning_Python#4使用scikit-learn中的svm模型代码
全部代码	https://github.com/PannyVan/MachineLearning_Python/blob/master/SVM/SVM_scikit-learn.py
	https://github.com/PannyVan/MachineLearning_Python#5运行结果-1
	https://github.com/PannyVan/MachineLearning_Python/blob/master/images/SVM_09.png
	https://github.com/PannyVan/MachineLearning_Python/blob/master/images/SVM_10.png
	https://github.com/PannyVan/MachineLearning_Python#五k-means聚类算法
全部代码	https://github.com/PannyVan/MachineLearning_Python/blob/master/K-Means/K-Menas.py
	https://github.com/PannyVan/MachineLearning_Python#1聚类过程
	https://github.com/PannyVan/MachineLearning_Python/blob/master/images/K-Means_01.png
	https://github.com/PannyVan/MachineLearning_Python/blob/master/images/K-Means_02.png
	https://github.com/PannyVan/MachineLearning_Python/blob/master/images/K-Means_03.png
	https://github.com/PannyVan/MachineLearning_Python#2目标函数
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	https://github.com/PannyVan/MachineLearning_Python/blob/master/images/K-Means_07.png
	https://camo.githubusercontent.com/adfd8af7566c70530283de7ce0eae9564fbfb7aea85797ea53925bd44d41692d/687474703a2f2f63686172742e617069732e676f6f676c652e636f6d2f63686172743f6368743d7478266368733d317830266368663d62672c732c4646464646463030266368636f3d3030303030302663686c3d2537426325354525374225323869253239253744253744
	https://camo.githubusercontent.com/bab62cd41e2de99f132796d387b7275c4d95df955e57f1435b43d6a110dd0a51/687474703a2f2f63686172742e617069732e676f6f676c652e636f6d2f63686172743f6368743d7478266368733d317830266368663d62672c732c4646464646463030266368636f3d3030303030302663686c3d253742755f69253744
	https://github.com/PannyVan/MachineLearning_Python#3聚类中心的选择
	https://github.com/PannyVan/MachineLearning_Python#4聚类个数k的选择
	https://github.com/PannyVan/MachineLearning_Python/blob/master/images/K-Means_04.png
	https://github.com/PannyVan/MachineLearning_Python#5应用图片压缩
使用scikit-learn库中的线性模型实现聚类	https://github.com/PannyVan/MachineLearning_Python/blob/master/K-Means/K-Means_scikit-learn.py
	https://github.com/PannyVan/MachineLearning_Python#6使用scikit-learn库中的线性模型实现聚类
	https://github.com/PannyVan/MachineLearning_Python#7运行结果-1
	https://github.com/PannyVan/MachineLearning_Python/blob/master/images/K-Means_05.png
	https://github.com/PannyVan/MachineLearning_Python/blob/master/images/K-Means_06.png
Readme	https://github.com/PannyVan/MachineLearning_Python#readme-ov-file
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0 forks	https://github.com/PannyVan/MachineLearning_Python/forks
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Releases	https://github.com/PannyVan/MachineLearning_Python/releases
Packages 0	https://github.com/users/PannyVan/packages?repo_name=MachineLearning_Python
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Contributors	https://github.com/PannyVan/MachineLearning_Python/graphs/contributors
Please reload this page	https://github.com/PannyVan/MachineLearning_Python
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