If our regression equation is y = X$\beta$+ u, where we have T observations and k regressors, what will be the dimension of using the standard matrix notation
A) T * k
B) T * 1
C) k *1
D) k * k

Question

If our regression equation is y = X$\beta$+ u, where we have T observations and k regressors, what will be the dimension of using the standard matrix notation 
A) T * k 
B) T * 1 
C) k *1 
D) k * k

Quizplus · Accepted Answer

The Answer of If our regression equation is y = X$\beta$+ u, where we have T observations and k regressors, what will be the dimension of using the standard matrix notation 
A) T * k 
B) T * 1 
C) k *1 
D) k * k

If Our Regression Equation Is Y = X β\betaβ + U, Where We Have T Observations and K Regressors

If Our Regression Equation Is Y = X $\beta$ + U, Where We Have T Observations and K Regressors