I have a single equation, where lwage is the dependent variable, there are 15 independent variables and one of them (educ) is an endogenous varaibles. A exogenous variable, nearc4, is used as the instrumental variable. I use the following procedure in SAS and get the error message.
Here is the results.
Can you help me out from the problem? I apply the same data set to STATA, and I can get the result without problems.
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