This topic contains a solution. Click here to go to the answer

Author Question: How is the first variable to be included in the model selected when performing a forward selection ... (Read 360 times)

ahriuashd

  • Hero Member
  • *****
  • Posts: 535

  How is the first variable to be included in the model selected when performing a forward selection stepwise regression?
 

  a.The variable with the smallest standard deviation is selected first.
  b.The variable with the largest coefficient for predicting y is selected first.
  c.The variable with the highest r2 for predicting y is selected first.
  d.The variable with the highest p-value is selected first.

Question 2


  Which of the following parameters give the height at which the regression function, , crosses the vertical axis?
 

  a.x
  b.
  c.
  d.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Pamela.irrgang@yahoo.com

  • Sr. Member
  • ****
  • Posts: 323
Answer to Question 1

correct: c

Answer to Question 2

correct: b




ahriuashd

  • Member
  • Posts: 535
Reply 2 on: Jun 24, 2018
Great answer, keep it coming :)


jackie

  • Member
  • Posts: 324
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

For a complete list of videos, visit our video library