DATABRICKS-CERTIFIED-PROFESSIONAL-DATA-SCIENTIST Web TestEngine demo

Select all that apply.

• A

  When R square =1 , all the residuals are equal to 0

• B

  When R square =0, all the residual are equal to 1

• C

  R square can be increased by adding more variables to the model.

• D

  R-squared never decreases upon adding more independent variables.