Measurement Errors, Linear Regression, Variance, Correlation.
data set, the above model can be restated as follows: The linear model expressed in terms of the ith row in the data set (Image by Author) For convenience, we’ll continue with Eq (1) instead of (1a). Let’s assume that x_2 and x_3 are exogenous i.e. not correlated with ϵ, so the model in Eq (1) (or