larch.Model.check_d_loglike

Model.check_d_loglike(stylize=True, skip_zeros=False)

Check that the analytic and finite-difference gradients are approximately equal.

Primarily used for debugging.

Parameters:

• stylize (bool, default True) – See check_gradient for details.

• skip_zeros (bool, default False) – See check_gradient for details.

Returns:

pd.DataFrame or Stylized DataFrame