test_analytics.py 文件源码

def test_quantile_interpolation_np_lt_1p9(self):
        # GH #10174
        if not _np_version_under1p9:
            raise nose.SkipTest("Numpy version is greater than 1.9")

        from numpy import percentile

        # interpolation = linear (default case)
        q = self.ts.quantile(0.1, interpolation='linear')
        self.assertEqual(q, percentile(self.ts.valid(), 10))
        q1 = self.ts.quantile(0.1)
        self.assertEqual(q1, percentile(self.ts.valid(), 10))

        # interpolation other than linear
        expErrMsg = "Interpolation methods other than "
        with tm.assertRaisesRegexp(ValueError, expErrMsg):
            self.ts.quantile(0.9, interpolation='nearest')

        # object dtype
        with tm.assertRaisesRegexp(ValueError, expErrMsg):
            q = Series(self.ts, dtype=object).quantile(0.7,
                                                       interpolation='higher')