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logistic_regression's Introduction

logistic_regression

使用随机梯度上升法求逻辑回归算法最佳参数

环境配置

  • Python 2.7
  • Numpy matplotlib random

关于逻辑回归的算法原理和参数推导,在这篇博客里有详细的推导

  • 需要注意的是逻辑回归只能预测二分类问题
  • 分类的精度不高,容易欠拟合,但是算法本身容易理解和实现
  • 注意逻辑回归和线性回归的关系和区别

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