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

est.rho: CL1 estimates
[1] 0.1704045

est.rho: CL1 likelihood
[1] -1247.782
ws=parameter estimates
[1] -0.291475150 -0.170628214  0.002220582  0.151715107  0.561171478

acov: inverse Godambe matrix with W based on first-stage wt matrices
             [,1]          [,2]          [,3]          [,4]          [,5]
[1,]  0.689628854 -0.1276538485 -3.561837e-03 -0.1733747638 -0.0534313073
[2,] -0.127653848  0.0482286489  4.915374e-04  0.0151351459  0.0054982350
[3,] -0.003561837  0.0004915374  4.985638e-05  0.0004164537  0.0003959118
[4,] -0.173374764  0.0151351459  4.164537e-04  0.0702418301  0.0107869385
[5,] -0.053431307  0.0054982350  3.959118e-04  0.0107869385  0.0263254951

se: robust standard errors
[1] 0.830438953 0.219610220 0.007060905 0.265031753 0.162251333

res: Weighted scores estimates and standard errors
               se
[1,] -0.291 0.830
[2,] -0.171 0.220
[3,]  0.002 0.007
[4,]  0.152 0.265
[5,]  0.561 0.162
