the ols estimates are :
coefficient standard-error t-ratio
beta 0 0.24489834E+00 0.21360307E+00 0.11465114E+01
beta 1 0.28049246E+00 0.48066617E-01 0.58354940E+01
beta 2 0.53330637E+00 0.51498586E-01 0.10355748E+02
sigma-squared 0.11398496E+00
the final mle estimates are :
coefficient standard-error t-ratio
beta 0 0.56161963E+00 0.20261668E+00 0.27718331E+01
beta 1 0.28110205E+00 0.47643365E-01 0.59001301E+01
beta 2 0.53647981E+00 0.45251553E-01 0.11855501E+02
sigma-squared 0.21700046E+00 0.63909106E-01 0.33954545E+01
gamma 0.79720730E+00 0.13642399E+00 0.58436004E+01
mu is restricted to be zero
eta is restricted to be zero
log likelihood function = -0.17027229E+02
LR test of the one-sided error = 0.28392402E+01