並前往https://medium.com/%E9%87%8F%E5%8C%96%E7%A0%94%E7%A9%B6%E9%99%A2-%E9%8D%8A%E9%87%91%E8%87%B4%E5%AF%8C/%E6%A9%9F%E7%8E%87%E8%88%87%E7%B5%B1%E8%A8%88-%E9%BB%9E%E4%BC%B0%E8%A8%88%E5%B9%B3%E5%9D%87%E5%B9%B3%E6%96%B9%E8%AA%A4%E5%B7%AEmse-mean-squared-error-c2dcf1c14643