Ejemplo n.º 1
0
 def test_fdr(self):
     """Test function fdr"""
     fdr(pvals)
     fdr(pvals, alpha=.01, method='negcorr')
     fdr(pvals2)
     fdr(pvals2, alpha=.90, method='negcorr')
     # Wrong arguments
     with pytest.raises(ValueError):
         fdr(pvals, method='wrong')
Ejemplo n.º 2
0
    def test_fdr(self):
        """Test function fdr.
        Compare to the p.adjust R function.
        """

        # FDR BH
        # ------
        reject, pval_corr = fdr(pvals)
        assert_array_equal(reject, [False, False, True, False, False])
        assert_array_almost_equal(pval_corr, [0.52, .175, .0005, .075, .175])

        # With NaN values
        _, pval_corr = fdr(pvals2_NA)
        assert_array_almost_equal(pval_corr, [.52, np.nan, .28, .40, .28])

        # With 2D arrays
        _, pval_corr = fdr(pvals_2d)
        pval_corr = np.round(pval_corr.ravel(), 3)
        assert_array_almost_equal(
            pval_corr,
            [.52, .21, .001, .135, .21, .52, np.nan, .21, 0.386, .21])

        # FDR BY
        # ------
        reject, pval_corr = fdr(pvals, method='fdr_by')
        assert_array_equal(reject, [False, False, True, False, False])
        assert_array_almost_equal(
            pval_corr,
            [1., 0.399583333, 0.001141667, 0.171250000, 0.399583333])

        # With NaN values
        _, pval_corr = fdr(pvals2_NA, method='fdr_by')
        assert_array_almost_equal(pval_corr,
                                  [1., np.nan, 0.5833333, 0.8333333, .5833333])

        # With 2D arrays
        _, pval_corr = fdr(pvals_2d, method='fdr_by')
        pval_corr = np.round(pval_corr.ravel(), 3)
        assert_array_almost_equal(
            pval_corr,
            [1., 0.594, 0.003, 0.382, 0.594, 1., np.nan, 0.594, 1., 0.594])