def _create_model_from_dialog(cls, dialog):
# create prior alpha from user choice
# prior strength multiplies the dirichlet parameters alpha
alpha = (np.array(ALPHA_DEFAULT) - 1.) * dialog.prior_strength + 1.
alpha = create_band_matrix(dialog.nclasses, alpha)
model = ModelB.create_initial_state(dialog.nclasses,
dialog.nannotators,
alpha=alpha)
return model
def default_alpha(nclasses):
return create_band_matrix(nclasses, ALPHA_DEFAULT)
def default_alpha(nclasses):
return create_band_matrix(nclasses, ALPHA_DEFAULT)
