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	https://github.com/normalC/MachineLearning/blob/dev/docs/5.Logistic回归.md#梯度的介绍
	https://github.com/normalC/MachineLearning/blob/dev/docs/5.Logistic回归.md#梯度上升法的思想
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	https://github.com/normalC/MachineLearning/blob/dev/docs/5.Logistic回归.md#logistic-回归-项目案例
	https://github.com/normalC/MachineLearning/blob/dev/docs/5.Logistic回归.md#项目案例1-使用-logistic-回归在简单数据集上的分类
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https://github.com/apachecn/MachineLearning/blob/master/src/py2.x/ML/5.Logistic/logistic.py	https://github.com/apachecn/MachineLearning/blob/master/src/py2.x/ML/5.Logistic/logistic.py
	https://github.com/normalC/MachineLearning/blob/dev/docs/5.Logistic回归.md#项目概述
	https://github.com/normalC/MachineLearning/blob/dev/docs/5.Logistic回归.md#开发流程
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http://blog.csdn.net/achuo/article/details/51160101	http://blog.csdn.net/achuo/article/details/51160101
	https://github.com/normalC/MachineLearning/blob/dev/docs/5.Logistic回归.md#注意
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	https://github.com/normalC/MachineLearning/blob/dev/docs/5.Logistic回归.md#项目案例2-从疝气病症预测病马的死亡率
完整代码地址	https://github.com/normalC/MachineLearning/blob/dev/src/python/5.Logistic/logistic.py
https://github.com/apachecn/MachineLearning/blob/master/src/py2.x/ML/5.Logistic/logistic.py	https://github.com/apachecn/MachineLearning/blob/master/src/py2.x/ML/5.Logistic/logistic.py
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