# Number of parameters = 5  Objective function value = 94.8143  Maximum gradient component = 2.98292e-05
# beta:
 0.0531510 1.90632 -7.92695
# log_sigma:
2.05962287575
# log_sigma_u:
3.45462130059
# u:
 -29.5621160274 31.7279697686 -37.1934411249 40.2246679764 -5.19708452798