what is the chi in a model analysis hausman model definition how to interpret chi model what is the chi2 value in a two stage model? when analyzing two stage least squares, what does the $chi2$ value tell what is the chi-sls value for model analysis what does the chi2$ tell us at the output table what is a two-stage least squares model? how does the chi value show at the output table? is a durbin variable exogenous or exogenous? what is the least squares in a model analysis is durbin exogenous? what is a model analysis two-stage least squares? what is the model analysis two-stage least squares how to analyze data in a two stage model what type of model do you run if the variables are exogenous and the chi values are zero? what is the least squares value for the chi model chi value for a sls model what is the least square model what is the least squares model analysis