iest: IEE estimates
[1] -0.250453477 -0.168778719  0.001136779  0.155500252  0.564529803

est.rho: CL1 estimates
[1] 0.1644007

est.rho: CL1 likelihood
[1] -1243.116
ws=parameter estimates
[1] -0.275163086 -0.172930647  0.002059396  0.155723814  0.564679237

acov: inverse Godambe matrix with W based on first-stage wt matrices
             [,1]          [,2]          [,3]          [,4]          [,5]
[1,]  0.668949183 -0.1243032269 -3.439452e-03 -0.1675278654 -0.0536807700
[2,] -0.124303227  0.0483682368  4.595251e-04  0.0138238153  0.0053409051
[3,] -0.003439452  0.0004595251  4.963034e-05  0.0003770252  0.0004200017
[4,] -0.167527865  0.0138238153  3.770252e-04  0.0692592776  0.0103701222
[5,] -0.053680770  0.0053409051  4.200017e-04  0.0103701222  0.0262583348

se: robust standard errors
[1] 0.81789314 0.21992780 0.00704488 0.26317157 0.16204424

res: Weighted scores estimates and standard errors
               se
[1,] -0.275 0.818
[2,] -0.173 0.220
[3,]  0.002 0.007
[4,]  0.156 0.263
[5,]  0.565 0.162
