Your professor has asked you and your team to consider the following questions as part of your role in the data analytics lifecycle $($DAL$)$ he's using for a project:

Does the model output$/$behavior make sense to the domain experts?

Is the model sufficiently accurate to meet the goal?

Do any of the inputs need to be transformed or eliminated?

Which stage of the DAL is he referring to$?$ Select one.

Model sketch

Model building

Model planning

Data exploration