The logarithm of the determinant of the hessian = 25.2341
 index   name      value      std dev       1       2       3       4       5       6       7       8   
     1   N0       3.0186e+01 1.1253e+01   1.0000
     2   N0       1.1064e+01 3.9272e+00   0.5094  1.0000
     3   N0       9.4634e+00 3.7190e+00   0.5202  0.5138  1.0000
     4   q0       5.0006e-02 5.8935e-03  -0.2905 -0.2920 -0.2677  1.0000
     5   q_alpha  9.3271e-01 2.0696e-01  -0.3959 -0.3923 -0.4035 -0.0115  1.0000
     6   q_beta  -4.5843e+00 5.2739e-01  -0.1483 -0.1427 -0.1564 -0.0168 -0.6298  1.0000
     7   logs    -2.3144e-01 1.3868e-01  -0.0001 -0.0001 -0.0001  0.0003 -0.0000 -0.0000  1.0000
     8   M        5.0000e-01 8.6228e-04   0.0185  0.0192  0.0171 -0.0000  0.0012 -0.0115 -0.0004  1.0000