Info

where the subscript 1, as before, denotes the dependent variable Y (r12 means correlation coefficient between Y and X2, and so on) and where use is made of the fact the coefficient of correlation of a variable with respect to itself is always 1(rn = r22 = ■ ■ ■ = rkk = 1).

938 APPENDIX C: THE MATRIX APPROACH TO LINEAR REGRESSION MODEL

From the correlation matrix R one can obtain correlation coefficients of first order (see Chapter 7) and of higher order such as r12.34...(See exercise C.4.) Many computer programs routinely compute the R matrix. We have used the correlation matrix in Chapter 10.

Was this article helpful?

0 0
Rules Of The Rich And Wealthy

Rules Of The Rich And Wealthy

Learning About The Rules Of The Rich And Wealthy Can Have Amazing Benefits For Your Life And Success. Discover the hidden rules and beat the rich at their own game. The general population has a love / hate kinship with riches. They resent those who have it, but spend their total lives attempting to get it for themselves. The reason an immense majority of individuals never accumulate a substantial savings is because they don't comprehend the nature of money or how it works.

Get My Free Ebook


Post a comment