Y₁ =B₁ + B₁X₁ + e, (2) In which , and B, are OLS estimates of b, and b₁, respectively. n Σx, Yi (1) Prove the OLS estimate of B₁ is B₁= n [x² i=1 and the OLS estimate of B is B-Y-B‚¸Ñ n in which x₁ = X₁-X, X=-¶X₁ ni=1 n y₁=Y-Y, Y=LĖX ΣΥ ni=1

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question
Suppose the PRF of two-variable regression is represented in the equation (1)
Y₁ = b + b₁X₁ +u₁, u~ii.d N(0,0²)
(1)
We use Ordinary Least Square (OLS) method to estimate the coefficients in (1),
The OLS estimated SRF is represented in the equation (2)
Y₁ =B₁ + B₁X₁ + e,
(2)
In which , and B, are OLS estimates of b, and b, respectively.
Σ
‚X¡Yi
i=1
(1) Prove the OLS estimate of ß, is B
n
Σx²
i=1
and the OLS estimate of B is B-Y-Â₁X
n
in which x₁ = X₁-X, X = ²X₁
ΣΧ
i=1
n
y=Y-Y, Y=! Y
ni=1
Transcribed Image Text:Suppose the PRF of two-variable regression is represented in the equation (1) Y₁ = b + b₁X₁ +u₁, u~ii.d N(0,0²) (1) We use Ordinary Least Square (OLS) method to estimate the coefficients in (1), The OLS estimated SRF is represented in the equation (2) Y₁ =B₁ + B₁X₁ + e, (2) In which , and B, are OLS estimates of b, and b, respectively. Σ ‚X¡Yi i=1 (1) Prove the OLS estimate of ß, is B n Σx² i=1 and the OLS estimate of B is B-Y-Â₁X n in which x₁ = X₁-X, X = ²X₁ ΣΧ i=1 n y=Y-Y, Y=! Y ni=1
Expert Solution
steps

Step by step

Solved in 3 steps with 3 images

Blurred answer
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman