这种情况就是偶然,还是我哪里步骤有问题?请大神帮帮忙?
Variable Coefficient Std. Error t-Statistic Prob.
C -2.722951 2.576598 -1.056801 0.3054
ZENG? 1.160573 0.448349 2.588547 0.0191
Fixed Effects (Cross)
NONG--C 1.365927
QIYE--C -1.365927


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