which variable should be tested to determine if the model is appropriate? what variables can be tested in stata what is the explanatory variable in stata what type of model is appropriate for unemployment which variable is a variable of the error term what is the difference between an FE and an explanatory variable why is it called fe in statistics what is the explanatory variable in statistics which model is suitable for the analysis of the unemployment rate? which type of data is used for the prediction of the impact of special economic zones? which of the following is the best specification of a panel data model what is the explanatory variable for poland what is the correct explanatory variable for the economics? average FE of variable in data why select fe in stata which of the following is an exception for a linear regression model? what is the correlation coefficient between explanatory variables and the error term why is fe considered a fixed effect? what is the explanatory variable in stata which is a normal correlation between the explanatory and error term?