Notebook + 练习：特征工程与特征选择

Workspace

This section contains either a workspace (it can be a Jupyter Notebook workspace or an online code editor work space, etc.) and it cannot be automatically downloaded to be generated here. Please access the classroom with your account and manually download the workspace to your local machine. Note that for some courses, Udacity upload the workspace files onto https://github.com/udacity , so you may be able to download them there.

Workspace Information:

Default file path:
Workspace type: jupyter
Opened files (when workspace is loaded): n/a

SOLUTION:

出错了，因为缺乏数据，所以算法不能收敛。

SOLUTION:

成功了，我们得到了结果。

QUIZ QUESTION: :

正则化数据后，观察结果，根据描述选出相应的值。

ANSWER CHOICES:

描述	数值
2
1
1.4
0
3
2.2

SOLUTION:

描述	数值
2
0
2.2