C12 Summary And Conclusions

The primary purpose of this appendix was to introduce the matrix approach to classical linear regression model. Although very few new concepts of regression analysis were introduced, the matrix notation provides a compact method of dealing with linear regression models involving any number of variables.

In concluding this appendix, note that if the Y and X variables are measured in the deviation form, that is, as deviations from their sample means, there are a few changes in the formulas presented previously. These changes

APPENDIX C: THE MATRIX APPROACH TO LINEAR REGRESSION MODEL 949 TABLE C.6 fc-VARIABLE REGRESSION MODEL IN ORIGINAL UNITS AND IN THE DEVIATION FORM*

Original units Deviation form

APPENDIX C: THE MATRIX APPROACH TO LINEAR REGRESSION MODEL 949 TABLE C.6 fc-VARIABLE REGRESSION MODEL IN ORIGINAL UNITS AND IN THE DEVIATION FORM*

Original units Deviation form

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