def test_asfreq_combined_pi(self):
pi = PeriodIndex(["2001-01-01 00:00", "2001-01-02 02:00", "NaT"],
freq="H")
exp = PeriodIndex(["2001-01-01 00:00", "2001-01-02 02:00", "NaT"],
freq="25H")
for freq, how in zip(["1D1H", "1H1D"], ["S", "E"]):
result = pi.asfreq(freq, how=how)
tm.assert_index_equal(result, exp)
assert result.freq == exp.freq
for freq in ["1D1H", "1H1D"]:
pi = PeriodIndex(["2001-01-01 00:00", "2001-01-02 02:00", "NaT"],
freq=freq)
result = pi.asfreq("H")
exp = PeriodIndex(["2001-01-02 00:00", "2001-01-03 02:00", "NaT"],
freq="H")
tm.assert_index_equal(result, exp)
assert result.freq == exp.freq
pi = PeriodIndex(["2001-01-01 00:00", "2001-01-02 02:00", "NaT"],
freq=freq)
result = pi.asfreq("H", how="S")
exp = PeriodIndex(["2001-01-01 00:00", "2001-01-02 02:00", "NaT"],
freq="H")
tm.assert_index_equal(result, exp)
assert result.freq == exp.freq
def test_astype_asfreq(self):
pi1 = PeriodIndex(['2011-01-01', '2011-02-01', '2011-03-01'], freq='D')
exp = PeriodIndex(['2011-01', '2011-02', '2011-03'], freq='M')
tm.assert_index_equal(pi1.asfreq('M'), exp)
tm.assert_index_equal(pi1.astype('period[M]'), exp)
exp = PeriodIndex(['2011-01', '2011-02', '2011-03'], freq='3M')
tm.assert_index_equal(pi1.asfreq('3M'), exp)
tm.assert_index_equal(pi1.astype('period[3M]'), exp)
def test_astype_asfreq(self):
pi1 = PeriodIndex(["2011-01-01", "2011-02-01", "2011-03-01"], freq="D")
exp = PeriodIndex(["2011-01", "2011-02", "2011-03"], freq="M")
tm.assert_index_equal(pi1.asfreq("M"), exp)
tm.assert_index_equal(pi1.astype("period[M]"), exp)
exp = PeriodIndex(["2011-01", "2011-02", "2011-03"], freq="3M")
tm.assert_index_equal(pi1.asfreq("3M"), exp)
tm.assert_index_equal(pi1.astype("period[3M]"), exp)
def test_astype_asfreq(self):
pi1 = PeriodIndex(['2011-01-01', '2011-02-01', '2011-03-01'], freq='D')
exp = PeriodIndex(['2011-01', '2011-02', '2011-03'], freq='M')
tm.assert_index_equal(pi1.asfreq('M'), exp)
tm.assert_index_equal(pi1.astype('period[M]'), exp)
exp = PeriodIndex(['2011-01', '2011-02', '2011-03'], freq='3M')
tm.assert_index_equal(pi1.asfreq('3M'), exp)
tm.assert_index_equal(pi1.astype('period[3M]'), exp)
def test_asfreq_mult_pi(self, freq):
pi = PeriodIndex(["2001-01", "2001-02", "NaT", "2001-03"], freq="2M")
result = pi.asfreq(freq)
exp = PeriodIndex(["2001-02-28", "2001-03-31", "NaT", "2001-04-30"], freq=freq)
tm.assert_index_equal(result, exp)
assert result.freq == exp.freq
result = pi.asfreq(freq, how="S")
exp = PeriodIndex(["2001-01-01", "2001-02-01", "NaT", "2001-03-01"], freq=freq)
tm.assert_index_equal(result, exp)
assert result.freq == exp.freq
def test_asfreq_mult_pi(self, freq):
pi = PeriodIndex(['2001-01', '2001-02', 'NaT', '2001-03'], freq='2M')
result = pi.asfreq(freq)
exp = PeriodIndex(['2001-02-28', '2001-03-31', 'NaT',
'2001-04-30'], freq=freq)
tm.assert_index_equal(result, exp)
assert result.freq == exp.freq
result = pi.asfreq(freq, how='S')
exp = PeriodIndex(['2001-01-01', '2001-02-01', 'NaT',
'2001-03-01'], freq=freq)
tm.assert_index_equal(result, exp)
assert result.freq == exp.freq
def test_asfreq_mult_pi(self, freq):
pi = PeriodIndex(['2001-01', '2001-02', 'NaT', '2001-03'], freq='2M')
result = pi.asfreq(freq)
exp = PeriodIndex(['2001-02-28', '2001-03-31', 'NaT', '2001-04-30'],
freq=freq)
tm.assert_index_equal(result, exp)
assert result.freq == exp.freq
result = pi.asfreq(freq, how='S')
exp = PeriodIndex(['2001-01-01', '2001-02-01', 'NaT', '2001-03-01'],
freq=freq)
tm.assert_index_equal(result, exp)
assert result.freq == exp.freq
def test_asfreq_ts(self):
index = PeriodIndex(freq='A', start='1/1/2001', end='12/31/2010')
ts = Series(np.random.randn(len(index)), index=index)
df = DataFrame(np.random.randn(len(index), 3), index=index)
result = ts.asfreq('D', how='end')
df_result = df.asfreq('D', how='end')
exp_index = index.asfreq('D', how='end')
assert len(result) == len(ts)
tm.assert_index_equal(result.index, exp_index)
tm.assert_index_equal(df_result.index, exp_index)
result = ts.asfreq('D', how='start')
assert len(result) == len(ts)
tm.assert_index_equal(result.index, index.asfreq('D', how='start'))
def test_asfreq_mult_pi(self):
pi = PeriodIndex(['2001-01', '2001-02', 'NaT', '2001-03'], freq='2M')
for freq in ['D', '3D']:
result = pi.asfreq(freq)
exp = PeriodIndex(
['2001-02-28', '2001-03-31', 'NaT', '2001-04-30'], freq=freq)
self.assert_index_equal(result, exp)
self.assertEqual(result.freq, exp.freq)
result = pi.asfreq(freq, how='S')
exp = PeriodIndex(
['2001-01-01', '2001-02-01', 'NaT', '2001-03-01'], freq=freq)
self.assert_index_equal(result, exp)
self.assertEqual(result.freq, exp.freq)
def test_asfreq_ts(self):
index = PeriodIndex(freq='A', start='1/1/2001', end='12/31/2010')
ts = Series(np.random.randn(len(index)), index=index)
df = DataFrame(np.random.randn(len(index), 3), index=index)
result = ts.asfreq('D', how='end')
df_result = df.asfreq('D', how='end')
exp_index = index.asfreq('D', how='end')
assert len(result) == len(ts)
tm.assert_index_equal(result.index, exp_index)
tm.assert_index_equal(df_result.index, exp_index)
result = ts.asfreq('D', how='start')
assert len(result) == len(ts)
tm.assert_index_equal(result.index, index.asfreq('D', how='start'))
def test_asfreq_mult_pi(self):
pi = PeriodIndex(['2001-01', '2001-02', 'NaT', '2001-03'], freq='2M')
for freq in ['D', '3D']:
result = pi.asfreq(freq)
exp = PeriodIndex(['2001-02-28', '2001-03-31', 'NaT',
'2001-04-30'], freq=freq)
self.assert_index_equal(result, exp)
self.assertEqual(result.freq, exp.freq)
result = pi.asfreq(freq, how='S')
exp = PeriodIndex(['2001-01-01', '2001-02-01', 'NaT',
'2001-03-01'], freq=freq)
self.assert_index_equal(result, exp)
self.assertEqual(result.freq, exp.freq)
def test_asfreq_nat(self):
idx = PeriodIndex(['2011-01', '2011-02', 'NaT', '2011-04'], freq='M')
result = idx.asfreq(freq='Q')
expected = PeriodIndex(['2011Q1', '2011Q1', 'NaT', '2011Q2'], freq='Q')
tm.assert_index_equal(result, expected)
def test_asfreq_nat(self):
idx = PeriodIndex(["2011-01", "2011-02", "NaT", "2011-04"], freq="M")
result = idx.asfreq(freq="Q")
expected = PeriodIndex(["2011Q1", "2011Q1", "NaT", "2011Q2"], freq="Q")
tm.assert_index_equal(result, expected)
def test_asfreq_nat(self):
idx = PeriodIndex(['2011-01', '2011-02', 'NaT', '2011-04'], freq='M')
result = idx.asfreq(freq='Q')
expected = PeriodIndex(['2011Q1', '2011Q1', 'NaT', '2011Q2'], freq='Q')
tm.assert_index_equal(result, expected)
def test_asfreq(self):
pi1 = PeriodIndex(freq='A', start='1/1/2001', end='1/1/2001')
pi2 = PeriodIndex(freq='Q', start='1/1/2001', end='1/1/2001')
pi3 = PeriodIndex(freq='M', start='1/1/2001', end='1/1/2001')
pi4 = PeriodIndex(freq='D', start='1/1/2001', end='1/1/2001')
pi5 = PeriodIndex(freq='H', start='1/1/2001', end='1/1/2001 00:00')
pi6 = PeriodIndex(freq='Min', start='1/1/2001', end='1/1/2001 00:00')
pi7 = PeriodIndex(freq='S', start='1/1/2001', end='1/1/2001 00:00:00')
assert pi1.asfreq('Q', 'S') == pi2
assert pi1.asfreq('Q', 's') == pi2
assert pi1.asfreq('M', 'start') == pi3
assert pi1.asfreq('D', 'StarT') == pi4
assert pi1.asfreq('H', 'beGIN') == pi5
assert pi1.asfreq('Min', 'S') == pi6
assert pi1.asfreq('S', 'S') == pi7
assert pi2.asfreq('A', 'S') == pi1
assert pi2.asfreq('M', 'S') == pi3
assert pi2.asfreq('D', 'S') == pi4
assert pi2.asfreq('H', 'S') == pi5
assert pi2.asfreq('Min', 'S') == pi6
assert pi2.asfreq('S', 'S') == pi7
assert pi3.asfreq('A', 'S') == pi1
assert pi3.asfreq('Q', 'S') == pi2
assert pi3.asfreq('D', 'S') == pi4
assert pi3.asfreq('H', 'S') == pi5
assert pi3.asfreq('Min', 'S') == pi6
assert pi3.asfreq('S', 'S') == pi7
assert pi4.asfreq('A', 'S') == pi1
assert pi4.asfreq('Q', 'S') == pi2
assert pi4.asfreq('M', 'S') == pi3
assert pi4.asfreq('H', 'S') == pi5
assert pi4.asfreq('Min', 'S') == pi6
assert pi4.asfreq('S', 'S') == pi7
assert pi5.asfreq('A', 'S') == pi1
assert pi5.asfreq('Q', 'S') == pi2
assert pi5.asfreq('M', 'S') == pi3
assert pi5.asfreq('D', 'S') == pi4
assert pi5.asfreq('Min', 'S') == pi6
assert pi5.asfreq('S', 'S') == pi7
assert pi6.asfreq('A', 'S') == pi1
assert pi6.asfreq('Q', 'S') == pi2
assert pi6.asfreq('M', 'S') == pi3
assert pi6.asfreq('D', 'S') == pi4
assert pi6.asfreq('H', 'S') == pi5
assert pi6.asfreq('S', 'S') == pi7
assert pi7.asfreq('A', 'S') == pi1
assert pi7.asfreq('Q', 'S') == pi2
assert pi7.asfreq('M', 'S') == pi3
assert pi7.asfreq('D', 'S') == pi4
assert pi7.asfreq('H', 'S') == pi5
assert pi7.asfreq('Min', 'S') == pi6
pytest.raises(ValueError, pi7.asfreq, 'T', 'foo')
result1 = pi1.asfreq('3M')
result2 = pi1.asfreq('M')
expected = PeriodIndex(freq='M', start='2001-12', end='2001-12')
tm.assert_numpy_array_equal(result1.asi8, expected.asi8)
assert result1.freqstr == '3M'
tm.assert_numpy_array_equal(result2.asi8, expected.asi8)
assert result2.freqstr == 'M'
def test_asfreq(self):
pi1 = PeriodIndex(freq='A', start='1/1/2001', end='1/1/2001')
pi2 = PeriodIndex(freq='Q', start='1/1/2001', end='1/1/2001')
pi3 = PeriodIndex(freq='M', start='1/1/2001', end='1/1/2001')
pi4 = PeriodIndex(freq='D', start='1/1/2001', end='1/1/2001')
pi5 = PeriodIndex(freq='H', start='1/1/2001', end='1/1/2001 00:00')
pi6 = PeriodIndex(freq='Min', start='1/1/2001', end='1/1/2001 00:00')
pi7 = PeriodIndex(freq='S', start='1/1/2001', end='1/1/2001 00:00:00')
self.assertEqual(pi1.asfreq('Q', 'S'), pi2)
self.assertEqual(pi1.asfreq('Q', 's'), pi2)
self.assertEqual(pi1.asfreq('M', 'start'), pi3)
self.assertEqual(pi1.asfreq('D', 'StarT'), pi4)
self.assertEqual(pi1.asfreq('H', 'beGIN'), pi5)
self.assertEqual(pi1.asfreq('Min', 'S'), pi6)
self.assertEqual(pi1.asfreq('S', 'S'), pi7)
self.assertEqual(pi2.asfreq('A', 'S'), pi1)
self.assertEqual(pi2.asfreq('M', 'S'), pi3)
self.assertEqual(pi2.asfreq('D', 'S'), pi4)
self.assertEqual(pi2.asfreq('H', 'S'), pi5)
self.assertEqual(pi2.asfreq('Min', 'S'), pi6)
self.assertEqual(pi2.asfreq('S', 'S'), pi7)
self.assertEqual(pi3.asfreq('A', 'S'), pi1)
self.assertEqual(pi3.asfreq('Q', 'S'), pi2)
self.assertEqual(pi3.asfreq('D', 'S'), pi4)
self.assertEqual(pi3.asfreq('H', 'S'), pi5)
self.assertEqual(pi3.asfreq('Min', 'S'), pi6)
self.assertEqual(pi3.asfreq('S', 'S'), pi7)
self.assertEqual(pi4.asfreq('A', 'S'), pi1)
self.assertEqual(pi4.asfreq('Q', 'S'), pi2)
self.assertEqual(pi4.asfreq('M', 'S'), pi3)
self.assertEqual(pi4.asfreq('H', 'S'), pi5)
self.assertEqual(pi4.asfreq('Min', 'S'), pi6)
self.assertEqual(pi4.asfreq('S', 'S'), pi7)
self.assertEqual(pi5.asfreq('A', 'S'), pi1)
self.assertEqual(pi5.asfreq('Q', 'S'), pi2)
self.assertEqual(pi5.asfreq('M', 'S'), pi3)
self.assertEqual(pi5.asfreq('D', 'S'), pi4)
self.assertEqual(pi5.asfreq('Min', 'S'), pi6)
self.assertEqual(pi5.asfreq('S', 'S'), pi7)
self.assertEqual(pi6.asfreq('A', 'S'), pi1)
self.assertEqual(pi6.asfreq('Q', 'S'), pi2)
self.assertEqual(pi6.asfreq('M', 'S'), pi3)
self.assertEqual(pi6.asfreq('D', 'S'), pi4)
self.assertEqual(pi6.asfreq('H', 'S'), pi5)
self.assertEqual(pi6.asfreq('S', 'S'), pi7)
self.assertEqual(pi7.asfreq('A', 'S'), pi1)
self.assertEqual(pi7.asfreq('Q', 'S'), pi2)
self.assertEqual(pi7.asfreq('M', 'S'), pi3)
self.assertEqual(pi7.asfreq('D', 'S'), pi4)
self.assertEqual(pi7.asfreq('H', 'S'), pi5)
self.assertEqual(pi7.asfreq('Min', 'S'), pi6)
self.assertRaises(ValueError, pi7.asfreq, 'T', 'foo')
result1 = pi1.asfreq('3M')
result2 = pi1.asfreq('M')
expected = PeriodIndex(freq='M', start='2001-12', end='2001-12')
self.assert_numpy_array_equal(result1.asi8, expected.asi8)
self.assertEqual(result1.freqstr, '3M')
self.assert_numpy_array_equal(result2.asi8, expected.asi8)
self.assertEqual(result2.freqstr, 'M')
def test_asfreq(self):
pi1 = PeriodIndex(freq='A', start='1/1/2001', end='1/1/2001')
pi2 = PeriodIndex(freq='Q', start='1/1/2001', end='1/1/2001')
pi3 = PeriodIndex(freq='M', start='1/1/2001', end='1/1/2001')
pi4 = PeriodIndex(freq='D', start='1/1/2001', end='1/1/2001')
pi5 = PeriodIndex(freq='H', start='1/1/2001', end='1/1/2001 00:00')
pi6 = PeriodIndex(freq='Min', start='1/1/2001', end='1/1/2001 00:00')
pi7 = PeriodIndex(freq='S', start='1/1/2001', end='1/1/2001 00:00:00')
assert pi1.asfreq('Q', 'S') == pi2
assert pi1.asfreq('Q', 's') == pi2
assert pi1.asfreq('M', 'start') == pi3
assert pi1.asfreq('D', 'StarT') == pi4
assert pi1.asfreq('H', 'beGIN') == pi5
assert pi1.asfreq('Min', 'S') == pi6
assert pi1.asfreq('S', 'S') == pi7
assert pi2.asfreq('A', 'S') == pi1
assert pi2.asfreq('M', 'S') == pi3
assert pi2.asfreq('D', 'S') == pi4
assert pi2.asfreq('H', 'S') == pi5
assert pi2.asfreq('Min', 'S') == pi6
assert pi2.asfreq('S', 'S') == pi7
assert pi3.asfreq('A', 'S') == pi1
assert pi3.asfreq('Q', 'S') == pi2
assert pi3.asfreq('D', 'S') == pi4
assert pi3.asfreq('H', 'S') == pi5
assert pi3.asfreq('Min', 'S') == pi6
assert pi3.asfreq('S', 'S') == pi7
assert pi4.asfreq('A', 'S') == pi1
assert pi4.asfreq('Q', 'S') == pi2
assert pi4.asfreq('M', 'S') == pi3
assert pi4.asfreq('H', 'S') == pi5
assert pi4.asfreq('Min', 'S') == pi6
assert pi4.asfreq('S', 'S') == pi7
assert pi5.asfreq('A', 'S') == pi1
assert pi5.asfreq('Q', 'S') == pi2
assert pi5.asfreq('M', 'S') == pi3
assert pi5.asfreq('D', 'S') == pi4
assert pi5.asfreq('Min', 'S') == pi6
assert pi5.asfreq('S', 'S') == pi7
assert pi6.asfreq('A', 'S') == pi1
assert pi6.asfreq('Q', 'S') == pi2
assert pi6.asfreq('M', 'S') == pi3
assert pi6.asfreq('D', 'S') == pi4
assert pi6.asfreq('H', 'S') == pi5
assert pi6.asfreq('S', 'S') == pi7
assert pi7.asfreq('A', 'S') == pi1
assert pi7.asfreq('Q', 'S') == pi2
assert pi7.asfreq('M', 'S') == pi3
assert pi7.asfreq('D', 'S') == pi4
assert pi7.asfreq('H', 'S') == pi5
assert pi7.asfreq('Min', 'S') == pi6
pytest.raises(ValueError, pi7.asfreq, 'T', 'foo')
result1 = pi1.asfreq('3M')
result2 = pi1.asfreq('M')
expected = PeriodIndex(freq='M', start='2001-12', end='2001-12')
tm.assert_numpy_array_equal(result1.asi8, expected.asi8)
assert result1.freqstr == '3M'
tm.assert_numpy_array_equal(result2.asi8, expected.asi8)
assert result2.freqstr == 'M'
def test_asfreq(self):
pi1 = PeriodIndex(freq='A', start='1/1/2001', end='1/1/2001')
pi2 = PeriodIndex(freq='Q', start='1/1/2001', end='1/1/2001')
pi3 = PeriodIndex(freq='M', start='1/1/2001', end='1/1/2001')
pi4 = PeriodIndex(freq='D', start='1/1/2001', end='1/1/2001')
pi5 = PeriodIndex(freq='H', start='1/1/2001', end='1/1/2001 00:00')
pi6 = PeriodIndex(freq='Min', start='1/1/2001', end='1/1/2001 00:00')
pi7 = PeriodIndex(freq='S', start='1/1/2001', end='1/1/2001 00:00:00')
self.assertEqual(pi1.asfreq('Q', 'S'), pi2)
self.assertEqual(pi1.asfreq('Q', 's'), pi2)
self.assertEqual(pi1.asfreq('M', 'start'), pi3)
self.assertEqual(pi1.asfreq('D', 'StarT'), pi4)
self.assertEqual(pi1.asfreq('H', 'beGIN'), pi5)
self.assertEqual(pi1.asfreq('Min', 'S'), pi6)
self.assertEqual(pi1.asfreq('S', 'S'), pi7)
self.assertEqual(pi2.asfreq('A', 'S'), pi1)
self.assertEqual(pi2.asfreq('M', 'S'), pi3)
self.assertEqual(pi2.asfreq('D', 'S'), pi4)
self.assertEqual(pi2.asfreq('H', 'S'), pi5)
self.assertEqual(pi2.asfreq('Min', 'S'), pi6)
self.assertEqual(pi2.asfreq('S', 'S'), pi7)
self.assertEqual(pi3.asfreq('A', 'S'), pi1)
self.assertEqual(pi3.asfreq('Q', 'S'), pi2)
self.assertEqual(pi3.asfreq('D', 'S'), pi4)
self.assertEqual(pi3.asfreq('H', 'S'), pi5)
self.assertEqual(pi3.asfreq('Min', 'S'), pi6)
self.assertEqual(pi3.asfreq('S', 'S'), pi7)
self.assertEqual(pi4.asfreq('A', 'S'), pi1)
self.assertEqual(pi4.asfreq('Q', 'S'), pi2)
self.assertEqual(pi4.asfreq('M', 'S'), pi3)
self.assertEqual(pi4.asfreq('H', 'S'), pi5)
self.assertEqual(pi4.asfreq('Min', 'S'), pi6)
self.assertEqual(pi4.asfreq('S', 'S'), pi7)
self.assertEqual(pi5.asfreq('A', 'S'), pi1)
self.assertEqual(pi5.asfreq('Q', 'S'), pi2)
self.assertEqual(pi5.asfreq('M', 'S'), pi3)
self.assertEqual(pi5.asfreq('D', 'S'), pi4)
self.assertEqual(pi5.asfreq('Min', 'S'), pi6)
self.assertEqual(pi5.asfreq('S', 'S'), pi7)
self.assertEqual(pi6.asfreq('A', 'S'), pi1)
self.assertEqual(pi6.asfreq('Q', 'S'), pi2)
self.assertEqual(pi6.asfreq('M', 'S'), pi3)
self.assertEqual(pi6.asfreq('D', 'S'), pi4)
self.assertEqual(pi6.asfreq('H', 'S'), pi5)
self.assertEqual(pi6.asfreq('S', 'S'), pi7)
self.assertEqual(pi7.asfreq('A', 'S'), pi1)
self.assertEqual(pi7.asfreq('Q', 'S'), pi2)
self.assertEqual(pi7.asfreq('M', 'S'), pi3)
self.assertEqual(pi7.asfreq('D', 'S'), pi4)
self.assertEqual(pi7.asfreq('H', 'S'), pi5)
self.assertEqual(pi7.asfreq('Min', 'S'), pi6)
self.assertRaises(ValueError, pi7.asfreq, 'T', 'foo')
result1 = pi1.asfreq('3M')
result2 = pi1.asfreq('M')
expected = PeriodIndex(freq='M', start='2001-12', end='2001-12')
self.assert_numpy_array_equal(result1.asi8, expected.asi8)
self.assertEqual(result1.freqstr, '3M')
self.assert_numpy_array_equal(result2.asi8, expected.asi8)
self.assertEqual(result2.freqstr, 'M')