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Table 4 Results of the fixed-effects model of the panel data in the area of section III of the dam

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

Fixed-effects model
Fixed-effects (within) regression Number of obs = 2038
Group variable: _j Number of groups = 2
R-sq: within = 0.9602 Obs per group: min = 1019
between = . avg = 1019.0
overall = 0.9602 max = 1019
  F(10,2026) = 4892.37
corr(u_i, X) = 0 (assumed) Prob > F = 0.0000
var Coef. Std.Err. z P > |z| [95 % Conf. Interval]  
x1 −8441.51 2756.353 −3.06 0.002 −13847.1 −3035.93
x2 15257.36 4978.174 3.06 0.002 5494.487 25020.23
x3 −12008.4 3971.919 −3.02 0.003 −19797.8 −4218.88
x4 3522.763 1181.688 2.98 0.003 1205.313 5840.214
x5 6.01408 0.395511 15.21 0 5.238429 6.789732
x6 −2.62441 0.372799 −7.04 0 −3.35552 −1.8933
x7 −0.78513 0.141776 −5.54 0 −1.06317 −0.50709
x8 −1.45153 0.067085 −21.64 0 −1.58309 −1.31997
x9 −0.10303 0.064552 −1.6 0.111 −0.22963 0.023561
x10 −0.43057 0.06918 −6.22 0 −0.56624 −0.2949
_cons 1710.663 568.7574 3.01 0.003 595.2524 2826.073
sigma_u 0.02987277      
sigma_e 1.944306      
rho 0.000236 (fraction of variance due to u_i)
F test that all u_i = 0: F(1, 2026) = 0.24 Prob > F = 0.6239