関連ワード:  what is error term in regression    what is error term in regression analysis    what is error term in regression equation    what is error term in regression model    what is error term in linear regression    what is the error term in multiple regression    what is the role of error term in regression analysis    what does the error term in regression represent    what is the role of stochastic error term in regression analysis    what is the significance of the error term in regression analysis