25. Notebook + Quiz: Interpreting Model Coefficients

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

QUIZ QUESTION: :

Using your first model match each value to the correct description of that value.

ANSWER CHOICES:



Description

Value

lodge is more expensive by 6262.73.

we cannot answer

-198300

-194.25

we cannot answer

348.74

we cannot answer

victorian is more expensive by 6262.73.

we cannot answer

SOLUTION:

Description

Value

lodge is more expensive by 6262.73.

-198300

-194.25

348.74

QUIZ QUESTION: :

Using the results from your second model, match the values to the appropriate descriptions.

ANSWER CHOICES:



Description

Value

Yes

334.01

It depends.

0.0029

It depends.

9917.25

No

It depends.

SOLUTION:

Description

Value

It depends.

It depends.

It depends.

It depends.

9917.25

No

It depends.

It depends.

Based on your results, choose the best answer below. Feel free to fit new models as necessary to answer this question.

SOLUTION: A best model might only include the area, and a dummy variable for neighborhood B vs. the other neighborhoods.