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Mathematics, 02.11.2019 07:31, dezmondpowell
Error degrees of freedom are calculated as n - p - 1 for multiple regression models. the p represents the number of coefficients (not including the intercept) in the estimated model. part a: report the error degrees of freedom for this example: assume 160 observations are used to estimate a model with 2 numerical explanatory variables both with a linear relationship to the response and 1 categorical explanatory variable. the categorical variable has 4 levels. part b: assume 160 observations are used to estimate a model with 2 numerical explanatory variables both with a linear relationship to the response. in addition there is one categorical variable with 3 levels and another categorical variable with 4 levels. report the error degrees of freedom
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Error degrees of freedom are calculated as n - p - 1 for multiple regression models. the p represent...
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