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Table 2 Hausman test result of deformation time series of the measure points in the area of Sect. 3 of the dam

From: Variable-intercept panel model for deformation zoning of a super-high arch dam

Hausman test  
b = consistent under Ho and Ha; obtained from xtreg  
B = inconsistent under Ha, efficient under Ho; obtained from xtreg  
Test: Ho: difference in coefficients not systematic  
chi2(2) = (b−B)’[(V_b−V_B)^(−1)](b−B) = 9.14  
Prob > chi2 = 0.0104