Python PeriodIndex.shiftの例

コード例 #1

 def test_shift_periods(self):
     # GH #22458 : argument 'n' was deprecated in favor of 'periods'
     idx = PeriodIndex(freq='A', start='1/1/2001', end='12/1/2009')
     tm.assert_index_equal(idx.shift(periods=0), idx)
     tm.assert_index_equal(idx.shift(0), idx)
     with tm.assert_produces_warning(FutureWarning, check_stacklevel=True):
         tm.assert_index_equal(idx.shift(n=0), idx)

コード例 #2

ファイル: test_arithmetic.py プロジェクト: TomAugspurger/pandas

 def test_shift_periods(self):
     # GH #22458 : argument 'n' was deprecated in favor of 'periods'
     idx = PeriodIndex(freq='A', start='1/1/2001', end='12/1/2009')
     tm.assert_index_equal(idx.shift(periods=0), idx)
     tm.assert_index_equal(idx.shift(0), idx)
     with tm.assert_produces_warning(FutureWarning,
                                     check_stacklevel=True):
         tm.assert_index_equal(idx.shift(n=0), idx)

コード例 #3

ファイル: test_arithmetic.py プロジェクト: TomAugspurger/pandas

    def test_pi_shift_ndarray(self):
        idx = PeriodIndex(['2011-01', '2011-02', 'NaT', '2011-04'],
                          freq='M', name='idx')
        result = idx.shift(np.array([1, 2, 3, 4]))
        expected = PeriodIndex(['2011-02', '2011-04', 'NaT', '2011-08'],
                               freq='M', name='idx')
        tm.assert_index_equal(result, expected)

        result = idx.shift(np.array([1, -2, 3, -4]))
        expected = PeriodIndex(['2011-02', '2010-12', 'NaT', '2010-12'],
                               freq='M', name='idx')
        tm.assert_index_equal(result, expected)

コード例 #4

    def test_pi_shift_ndarray(self):
        idx = PeriodIndex(['2011-01', '2011-02', 'NaT', '2011-04'],
                          freq='M', name='idx')
        result = idx.shift(np.array([1, 2, 3, 4]))
        expected = PeriodIndex(['2011-02', '2011-04', 'NaT', '2011-08'],
                               freq='M', name='idx')
        tm.assert_index_equal(result, expected)

        result = idx.shift(np.array([1, -2, 3, -4]))
        expected = PeriodIndex(['2011-02', '2010-12', 'NaT', '2010-12'],
                               freq='M', name='idx')
        tm.assert_index_equal(result, expected)

コード例 #5

    def test_pi_shift_ndarray(self):
        idx = PeriodIndex(["2011-01", "2011-02", "NaT", "2011-04"],
                          freq="M",
                          name="idx")
        result = idx.shift(np.array([1, 2, 3, 4]))
        expected = PeriodIndex(["2011-02", "2011-04", "NaT", "2011-08"],
                               freq="M",
                               name="idx")
        tm.assert_index_equal(result, expected)

        result = idx.shift(np.array([1, -2, 3, -4]))
        expected = PeriodIndex(["2011-02", "2010-12", "NaT", "2010-12"],
                               freq="M",
                               name="idx")
        tm.assert_index_equal(result, expected)

コード例 #6

ファイル: test_period.py プロジェクト: CPHB-FKMP/book-extractor

 def test_shift_nat(self):
     idx = PeriodIndex(['2011-01', '2011-02', 'NaT',
                        '2011-04'], freq='M', name='idx')
     result = idx.shift(1)
     expected = PeriodIndex(['2011-02', '2011-03', 'NaT',
                             '2011-05'], freq='M', name='idx')
     tm.assert_index_equal(result, expected)
     assert result.name == expected.name

コード例 #7

ファイル: test_period.py プロジェクト: xcompass/pandas

    def test_shift(self):
        pi1 = PeriodIndex(freq='A', start='1/1/2001', end='12/1/2009')
        pi2 = PeriodIndex(freq='A', start='1/1/2002', end='12/1/2010')

        tm.assert_index_equal(pi1.shift(0), pi1)

        assert len(pi1) == len(pi2)
        tm.assert_index_equal(pi1.shift(1), pi2)

        pi1 = PeriodIndex(freq='A', start='1/1/2001', end='12/1/2009')
        pi2 = PeriodIndex(freq='A', start='1/1/2000', end='12/1/2008')
        assert len(pi1) == len(pi2)
        tm.assert_index_equal(pi1.shift(-1), pi2)

        pi1 = PeriodIndex(freq='M', start='1/1/2001', end='12/1/2009')
        pi2 = PeriodIndex(freq='M', start='2/1/2001', end='1/1/2010')
        assert len(pi1) == len(pi2)
        tm.assert_index_equal(pi1.shift(1), pi2)

        pi1 = PeriodIndex(freq='M', start='1/1/2001', end='12/1/2009')
        pi2 = PeriodIndex(freq='M', start='12/1/2000', end='11/1/2009')
        assert len(pi1) == len(pi2)
        tm.assert_index_equal(pi1.shift(-1), pi2)

        pi1 = PeriodIndex(freq='D', start='1/1/2001', end='12/1/2009')
        pi2 = PeriodIndex(freq='D', start='1/2/2001', end='12/2/2009')
        assert len(pi1) == len(pi2)
        tm.assert_index_equal(pi1.shift(1), pi2)

        pi1 = PeriodIndex(freq='D', start='1/1/2001', end='12/1/2009')
        pi2 = PeriodIndex(freq='D', start='12/31/2000', end='11/30/2009')
        assert len(pi1) == len(pi2)
        tm.assert_index_equal(pi1.shift(-1), pi2)

コード例 #8

ファイル: test_period.py プロジェクト: cmazzullo/pandas

    def test_shift(self):
        pi1 = PeriodIndex(freq='A', start='1/1/2001', end='12/1/2009')
        pi2 = PeriodIndex(freq='A', start='1/1/2002', end='12/1/2010')

        tm.assert_index_equal(pi1.shift(0), pi1)

        assert len(pi1) == len(pi2)
        tm.assert_index_equal(pi1.shift(1), pi2)

        pi1 = PeriodIndex(freq='A', start='1/1/2001', end='12/1/2009')
        pi2 = PeriodIndex(freq='A', start='1/1/2000', end='12/1/2008')
        assert len(pi1) == len(pi2)
        tm.assert_index_equal(pi1.shift(-1), pi2)

        pi1 = PeriodIndex(freq='M', start='1/1/2001', end='12/1/2009')
        pi2 = PeriodIndex(freq='M', start='2/1/2001', end='1/1/2010')
        assert len(pi1) == len(pi2)
        tm.assert_index_equal(pi1.shift(1), pi2)

        pi1 = PeriodIndex(freq='M', start='1/1/2001', end='12/1/2009')
        pi2 = PeriodIndex(freq='M', start='12/1/2000', end='11/1/2009')
        assert len(pi1) == len(pi2)
        tm.assert_index_equal(pi1.shift(-1), pi2)

        pi1 = PeriodIndex(freq='D', start='1/1/2001', end='12/1/2009')
        pi2 = PeriodIndex(freq='D', start='1/2/2001', end='12/2/2009')
        assert len(pi1) == len(pi2)
        tm.assert_index_equal(pi1.shift(1), pi2)

        pi1 = PeriodIndex(freq='D', start='1/1/2001', end='12/1/2009')
        pi2 = PeriodIndex(freq='D', start='12/31/2000', end='11/30/2009')
        assert len(pi1) == len(pi2)
        tm.assert_index_equal(pi1.shift(-1), pi2)

コード例 #9

 def test_shift_nat(self):
     idx = PeriodIndex(["2011-01", "2011-02", "NaT", "2011-04"],
                       freq="M",
                       name="idx")
     result = idx.shift(1)
     expected = PeriodIndex(["2011-02", "2011-03", "NaT", "2011-05"],
                            freq="M",
                            name="idx")
     tm.assert_index_equal(result, expected)
     assert result.name == expected.name

コード例 #10

ファイル: test_shift.py プロジェクト: 0benson0/stock-knowledge-graph

    def test_shift_corner_cases(self):
        # GH#9903
        idx = PeriodIndex([], name="xxx", freq="H")

        msg = "`freq` argument is not supported for PeriodArray._time_shift"
        with pytest.raises(TypeError, match=msg):
            # period shift doesn't accept freq
            idx.shift(1, freq="H")

        tm.assert_index_equal(idx.shift(0), idx)
        tm.assert_index_equal(idx.shift(3), idx)

        idx = PeriodIndex(
            ["2011-01-01 10:00", "2011-01-01 11:00", "2011-01-01 12:00"],
            name="xxx",
            freq="H",
        )
        tm.assert_index_equal(idx.shift(0), idx)
        exp = PeriodIndex(
            ["2011-01-01 13:00", "2011-01-01 14:00", "2011-01-01 15:00"],
            name="xxx",
            freq="H",
        )
        tm.assert_index_equal(idx.shift(3), exp)
        exp = PeriodIndex(
            ["2011-01-01 07:00", "2011-01-01 08:00", "2011-01-01 09:00"],
            name="xxx",
            freq="H",
        )
        tm.assert_index_equal(idx.shift(-3), exp)

コード例 #11

ファイル: test_shift.py プロジェクト: zenquiorra/pandas

    def test_shift_corner_cases(self):
        # GH#9903
        idx = PeriodIndex([], name="xxx", freq="H")

        with pytest.raises(TypeError):
            # period shift doesn't accept freq
            idx.shift(1, freq="H")

        tm.assert_index_equal(idx.shift(0), idx)
        tm.assert_index_equal(idx.shift(3), idx)

        idx = PeriodIndex(
            ["2011-01-01 10:00", "2011-01-01 11:00", "2011-01-01 12:00"],
            name="xxx",
            freq="H",
        )
        tm.assert_index_equal(idx.shift(0), idx)
        exp = PeriodIndex(
            ["2011-01-01 13:00", "2011-01-01 14:00", "2011-01-01 15:00"],
            name="xxx",
            freq="H",
        )
        tm.assert_index_equal(idx.shift(3), exp)
        exp = PeriodIndex(
            ["2011-01-01 07:00", "2011-01-01 08:00", "2011-01-01 09:00"],
            name="xxx",
            freq="H",
        )
        tm.assert_index_equal(idx.shift(-3), exp)