Machine Learning definition:
- Arthur Samuel: Field of study that gives computers the ability to learn without being explicitly programmed.
- A computer program is said to learn from experience E with respect to some task T and some performance measure P,
if its performance on T, as measured by P, improves with experience E..
ONE: Supervised Learning 給出標準答案進行訓練
regression problem 連續的
classification problem 離散的
TWO: Learning Theory
Three: Unsupervised Learning 例如聚類問題
（通過圖片建立3D模型）
這些數據有什麼特殊結構
FOUR: Reinforcement Learning 強化學習
reward function
好的行爲和壞的行爲