一个好的模型应该在复杂性和准确性之间取得平衡,捕捉基本动态而不过度拟合。
If you're horrible to me, I'm going to write a song about it, and it won't be a good one for you.
数学的本质不是把简单的事情复杂化,而是把复杂的事情简单化。