使用随机梯度上升法求逻辑回归算法最佳参数
- 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
使用随机梯度下降法求逻辑回归算法最佳参数
使用随机梯度上升法求逻辑回归算法最佳参数
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
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