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ntu-ml-notes's Issues

线性回归InAction

  • 线性回归选择MSE作为损失函数的数学原因
  • 有意思的数据
  • Numpy的从头实现
  • 用Pytorch的实现
  • 使用最小二乘的实现(顺便介绍原理,线性方程组,矩阵投影)

降维

  • PCA的公式推层(包括线性空间、向量投影、特征值意义等)
  • PCA进行降维的实战,并做原图重建。
  • t-SNE算法在Mnist上的动手实验
  • 层次聚类算法在人脸聚类上进行实验看效果。

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