def test_prediction_methods_respect_index(self, data_pred2):
        x = data_pred2[['x1', 'x2']].ix[:3].sort_index(ascending=False)
        expected_index = pd.Index(np.array([3, 2, 1, 0]))

        cph = CoxPHFitter()
        cph.fit(data_pred2, duration_col='t', event_col='E')
        npt.assert_array_equal(cph.predict_partial_hazard(x).index, expected_index)
        npt.assert_array_equal(cph.predict_percentile(x).index, expected_index)
        npt.assert_array_equal(cph.predict(x).index, expected_index)
        npt.assert_array_equal(cph.predict_expectation(x).index, expected_index)

        aaf = AalenAdditiveFitter()
        aaf.fit(data_pred2, duration_col='t', event_col='E')
        npt.assert_array_equal(aaf.predict_percentile(x).index, expected_index)
        npt.assert_array_equal(aaf.predict(x).index, expected_index)
        npt.assert_array_equal(aaf.predict_expectation(x).index, expected_index)
Exemple #2
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    def test_prediction_methods_respect_index(self, data_pred2):
        x = data_pred2[['x1', 'x2']].ix[:3].sort_index(ascending=False)
        expected_index = pd.Index(np.array([3, 2, 1, 0]))

        cph = CoxPHFitter()
        cph.fit(data_pred2, duration_col='t', event_col='E')
        npt.assert_array_equal(cph.predict_partial_hazard(x).index, expected_index)
        npt.assert_array_equal(cph.predict_percentile(x).index, expected_index)
        npt.assert_array_equal(cph.predict(x).index, expected_index)
        npt.assert_array_equal(cph.predict_expectation(x).index, expected_index)

        aaf = AalenAdditiveFitter()
        aaf.fit(data_pred2, duration_col='t', event_col='E')
        npt.assert_array_equal(aaf.predict_percentile(x).index, expected_index)
        npt.assert_array_equal(aaf.predict(x).index, expected_index)
        npt.assert_array_equal(aaf.predict_expectation(x).index, expected_index)