# Number of parameters = 1  Objective function value = 29.5307  Maximum gradient component = 3.23587e-009
# log_s_eta:
-1.62192030647
# log_pi:
 -0.353381102967
# a:
 8.55218478627 0.0350859370290
# eta:
 -0.0129268640585 0.148442725832 -0.159102338734 -0.0277338739376 0.0700460765883 0.0705402524970 -0.241979500313 -0.223208408391 -0.145712481524 0.0501232202716 0.282414181972 0.189097009797