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Table 3 Results of the random-effects model of the panel data in the area of section I of the dam

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

Random-effects model
Random-effects GLS regression Number of obs = 17323
Group variable: _j Number of groups = 17
R-sq: within = 0.0000 Obs per group: min = 1019
between = 0.0000 avg = 1019.0
overall = 0.1816 max = 1019
  Wald chi2(10) = 15548.80
corr(u_i, X) = 0 (assumed) Prob > chi2 = 0.0000
var Coef. Std.Err. z P > |z| [95 % Conf. Interval]
x1 −159.307 827.6679 −0.19 0.847 −1781.51 1462.893
x2 331.9333 1494.828 0.22 0.824 −2597.88 3261.743
x3 −280.182 1192.674 −0.23 0.814 −2617.78 2057.416
x4 91.74331 354.8331 0.26 0.796 −603.717 787.2034
x5 0.067455 0.118763 0.57 0.57 −0.16532 0.300226
x6 −0.97668 0.111943 −8.72 0 −1.19608 −0.75727
x7 −0.01332 0.042572 −0.31 0.754 −0.09676 0.070115
x8 −0.3112 0.020144 −15.45 0 −0.35068 −0.27172
x9 0.006649 0.019384 0.34 0.732 −0.03134 0.04464
x10 −0.05327 0.020773 −2.56 0.01 −0.09398 −0.01255
_cons 23.4151 170.7861 0.14 0.891 −311.32 358.1497
sigma_u 3.061757      
sigma_e 1.702147      
rho 0.763903 (fraction of variance due to u_i)