Explanation:Linearity refers to a mathematical relationship or function that can be graphically represented as a straight line. 6. Which of the following can be useful for diagnosing data entry errors ?
A. hat values
B. dffit
C. resid
D. All of the Mentioned
Answer:A
Explanation:Linearity refers to a mathematical relationship or function that can be graphically represented as a straight line. 6. Which of the following can be useful for diagnosing data entry errors ?
A. hat values B. dffit C. resid D. All of the Mentioned
Explanation:resid returns the ordinary residuals. 7. Multivariate regression estimates are exactly those having removed the linear relationship of the other variables from both the regressor and response.