Exemplo n.º 1
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def test_covmodel_spline_prior(use_spline, prior_spline_monotonicity,
                               prior_spline_convexity,
                               prior_spline_num_constraint_points,
                               prior_spline_maxder_gaussian,
                               prior_spline_maxder_uniform, mrdata):
    covmodel = CovModel(
        'cov1',
        use_spline=use_spline,
        prior_spline_monotonicity=prior_spline_monotonicity,
        prior_spline_convexity=prior_spline_convexity,
        prior_spline_num_constraint_points=prior_spline_num_constraint_points,
        prior_spline_maxder_gaussian=prior_spline_maxder_gaussian,
        prior_spline_maxder_uniform=prior_spline_maxder_uniform)
    covmodel.attach_data(mrdata)

    num_constraints = ((prior_spline_monotonicity is not None) +
                       (prior_spline_convexity
                        is not None)) * prior_spline_num_constraint_points
    num_constraints += (prior_spline_maxder_uniform
                        is not None) * covmodel.spline.num_intervals
    num_regularizers = (prior_spline_maxder_gaussian
                        is not None) * covmodel.spline.num_intervals

    assert covmodel.num_constraints == num_constraints
    assert covmodel.num_regularizations == num_regularizers
Exemplo n.º 2
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def test_covmodel_spline(spline_knots, spline_degree, spline_l_linear,
                         spline_r_linear, use_re, use_re_mid_point, mrdata):
    covmodel = CovModel('cov1',
                        use_re=use_re,
                        use_re_mid_point=use_re_mid_point,
                        use_spline=True,
                        spline_knots=spline_knots,
                        spline_degree=spline_degree,
                        spline_l_linear=spline_l_linear,
                        spline_r_linear=spline_r_linear)

    assert all(
        covmodel.spline_knots_template == np.array([0.0, 0.25, 0.75, 1.0]))
    assert covmodel.spline_degree == spline_degree
    assert covmodel.spline_l_linear == spline_l_linear
    assert covmodel.spline_r_linear == spline_r_linear
    covmodel.attach_data(mrdata)

    assert covmodel.num_x_vars == covmodel.spline.num_spline_bases - 1
    if use_re and use_re_mid_point:
        assert covmodel.num_z_vars == 1
    elif use_re and not use_re_mid_point:
        assert covmodel.num_z_vars == covmodel.num_x_vars
    elif not use_re:
        assert covmodel.num_z_vars == 0
Exemplo n.º 3
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def test_covmodel_beta_uprior(prior_beta_uniform, use_spline, mrdata):
    covmodel = CovModel('cov1',
                        use_spline=use_spline,
                        prior_beta_uniform=prior_beta_uniform)
    covmodel.attach_data(mrdata)
    assert covmodel.prior_beta_uniform.ndim == 2
    assert np.all(covmodel.prior_beta_uniform[0] == 0.0)
    assert np.all(covmodel.prior_beta_uniform[1] == 1.0)
Exemplo n.º 4
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def test_covmodel_beta_lprior(prior_beta_laplace, use_spline, mrdata):
    covmodel = CovModel('cov1',
                        use_spline=use_spline,
                        prior_beta_laplace=prior_beta_laplace)
    covmodel.attach_data(mrdata)
    assert covmodel.prior_beta_laplace.ndim == 2
    assert np.all(covmodel.prior_beta_laplace[0] == 0.0)
    assert np.all(covmodel.prior_beta_laplace[1] == 1.0)
Exemplo n.º 5
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def test_covmodel_beta_gprior(prior_beta_gaussian, use_spline, mrdata):
    covmodel = CovModel('cov1',
                        use_spline=use_spline,
                        prior_beta_gaussian=prior_beta_gaussian)
    covmodel.attach_data(mrdata)
    assert covmodel.prior_beta_gaussian.ndim == 2
    assert np.all(covmodel.prior_beta_gaussian[0] == 0.0)
    assert np.all(covmodel.prior_beta_gaussian[1] == 1.0)
Exemplo n.º 6
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def test_covmodel_gamma_uprior(prior_gamma_uniform, use_spline, use_re,
                               use_re_mid_point, mrdata):
    covmodel = CovModel('cov1',
                        use_spline=use_spline,
                        prior_gamma_uniform=prior_gamma_uniform,
                        use_re=use_re,
                        use_re_mid_point=use_re_mid_point)
    covmodel.attach_data(mrdata)
    assert covmodel.prior_gamma_uniform.ndim == 2
    assert np.all(covmodel.prior_gamma_uniform[0] == 0.0)
    assert np.all(covmodel.prior_gamma_uniform[1] == 1.0)
Exemplo n.º 7
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def test_covmodel_gamma_gprior(prior_gamma_gaussian, use_spline, use_re,
                               use_re_mid_point, mrdata):
    covmodel = CovModel('cov1',
                        use_spline=True,
                        prior_gamma_gaussian=prior_gamma_gaussian,
                        use_re=use_re,
                        use_re_mid_point=use_re_mid_point)
    covmodel.attach_data(mrdata)
    assert covmodel.prior_gamma_gaussian.ndim == 2
    assert np.all(covmodel.prior_gamma_gaussian[0] == 0.0)
    assert np.all(covmodel.prior_gamma_gaussian[1] == 1.0)