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In the Multiple Regression Problem with K Explanatory Variable,it Would

Question 24

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In the multiple regression problem with k explanatory variable,it would be quite tedious to derive the formulas for the slope coefficients without knowledge of linear algebra.The formulas certainly do not resemble the formula for the slope coefficient in the simple linear regression model with a single explanatory variable.However,it can be shown that the following three step procedure results in the same formula for slope coefficient of the first explanatory variable, In the multiple regression problem with k explanatory variable,it would be quite tedious to derive the formulas for the slope coefficients without knowledge of linear algebra.The formulas certainly do not resemble the formula for the slope coefficient in the simple linear regression model with a single explanatory variable.However,it can be shown that the following three step procedure results in the same formula for slope coefficient of the first explanatory variable, : Step 1: regress Y on a constant and all other explanatory variables other than ,and calculate the residual (Res1). Step 2: regress on a constant and all other explanatory variables,and calculate the residual (Res2). Step 3: regress Res1 on a constant and Res2. Can you give an intuitive explanation to this procedure? :
Step 1: regress Y on a constant and all other explanatory variables other than In the multiple regression problem with k explanatory variable,it would be quite tedious to derive the formulas for the slope coefficients without knowledge of linear algebra.The formulas certainly do not resemble the formula for the slope coefficient in the simple linear regression model with a single explanatory variable.However,it can be shown that the following three step procedure results in the same formula for slope coefficient of the first explanatory variable, : Step 1: regress Y on a constant and all other explanatory variables other than ,and calculate the residual (Res1). Step 2: regress on a constant and all other explanatory variables,and calculate the residual (Res2). Step 3: regress Res1 on a constant and Res2. Can you give an intuitive explanation to this procedure? ,and calculate the residual (Res1).
Step 2: regress In the multiple regression problem with k explanatory variable,it would be quite tedious to derive the formulas for the slope coefficients without knowledge of linear algebra.The formulas certainly do not resemble the formula for the slope coefficient in the simple linear regression model with a single explanatory variable.However,it can be shown that the following three step procedure results in the same formula for slope coefficient of the first explanatory variable, : Step 1: regress Y on a constant and all other explanatory variables other than ,and calculate the residual (Res1). Step 2: regress on a constant and all other explanatory variables,and calculate the residual (Res2). Step 3: regress Res1 on a constant and Res2. Can you give an intuitive explanation to this procedure? on a constant and all other explanatory variables,and calculate the residual (Res2).
Step 3: regress Res1 on a constant and Res2.
Can you give an intuitive explanation to this procedure?

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