Python pandas.core.dtypes.common.is_timedelta64_dtype() Examples

The following are 7 code examples of pandas.core.dtypes.common.is_timedelta64_dtype(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module pandas.core.dtypes.common , or try the search function .
Example #1
Source File: test_transform.py    From recruit with Apache License 2.0 6 votes vote down vote up 
def test_transform_casting():
    # 13046
    data = """
    idx     A         ID3              DATETIME
    0   B-028  b76cd912ff "2014-10-08 13:43:27"
    1   B-054  4a57ed0b02 "2014-10-08 14:26:19"
    2   B-076  1a682034f8 "2014-10-08 14:29:01"
    3   B-023  b76cd912ff "2014-10-08 18:39:34"
    4   B-023  f88g8d7sds "2014-10-08 18:40:18"
    5   B-033  b76cd912ff "2014-10-08 18:44:30"
    6   B-032  b76cd912ff "2014-10-08 18:46:00"
    7   B-037  b76cd912ff "2014-10-08 18:52:15"
    8   B-046  db959faf02 "2014-10-08 18:59:59"
    9   B-053  b76cd912ff "2014-10-08 19:17:48"
    10  B-065  b76cd912ff "2014-10-08 19:21:38"
    """
    df = pd.read_csv(StringIO(data), sep=r'\s+',
                     index_col=[0], parse_dates=['DATETIME'])

    result = df.groupby('ID3')['DATETIME'].transform(lambda x: x.diff())
    assert is_timedelta64_dtype(result.dtype)

    result = df[['ID3', 'DATETIME']].groupby('ID3').transform(
        lambda x: x.diff())
    assert is_timedelta64_dtype(result.DATETIME.dtype)
Example #2
Source File: test_transform.py    From predictive-maintenance-using-machine-learning with Apache License 2.0 6 votes vote down vote up 
def test_transform_casting():
    # 13046
    data = """
    idx     A         ID3              DATETIME
    0   B-028  b76cd912ff "2014-10-08 13:43:27"
    1   B-054  4a57ed0b02 "2014-10-08 14:26:19"
    2   B-076  1a682034f8 "2014-10-08 14:29:01"
    3   B-023  b76cd912ff "2014-10-08 18:39:34"
    4   B-023  f88g8d7sds "2014-10-08 18:40:18"
    5   B-033  b76cd912ff "2014-10-08 18:44:30"
    6   B-032  b76cd912ff "2014-10-08 18:46:00"
    7   B-037  b76cd912ff "2014-10-08 18:52:15"
    8   B-046  db959faf02 "2014-10-08 18:59:59"
    9   B-053  b76cd912ff "2014-10-08 19:17:48"
    10  B-065  b76cd912ff "2014-10-08 19:21:38"
    """
    df = pd.read_csv(StringIO(data), sep=r'\s+',
                     index_col=[0], parse_dates=['DATETIME'])

    result = df.groupby('ID3')['DATETIME'].transform(lambda x: x.diff())
    assert is_timedelta64_dtype(result.dtype)

    result = df[['ID3', 'DATETIME']].groupby('ID3').transform(
        lambda x: x.diff())
    assert is_timedelta64_dtype(result.DATETIME.dtype)
Example #3
Source File: test_common.py    From recruit with Apache License 2.0 5 votes vote down vote up 
def test_is_timedelta64_dtype():
    assert not com.is_timedelta64_dtype(object)
    assert not com.is_timedelta64_dtype(None)
    assert not com.is_timedelta64_dtype([1, 2, 3])
    assert not com.is_timedelta64_dtype(np.array([], dtype=np.datetime64))
    assert not com.is_timedelta64_dtype('0 days')
    assert not com.is_timedelta64_dtype("0 days 00:00:00")
    assert not com.is_timedelta64_dtype(["0 days 00:00:00"])
    assert not com.is_timedelta64_dtype("NO DATE")

    assert com.is_timedelta64_dtype(np.timedelta64)
    assert com.is_timedelta64_dtype(pd.Series([], dtype="timedelta64[ns]"))
    assert com.is_timedelta64_dtype(pd.to_timedelta(['0 days', '1 days']))
Example #4
Source File: test_common.py    From vnpy_crypto with MIT License 5 votes vote down vote up 
def test_is_timedelta64_dtype():
    assert not com.is_timedelta64_dtype(object)
    assert not com.is_timedelta64_dtype(None)
    assert not com.is_timedelta64_dtype([1, 2, 3])
    assert not com.is_timedelta64_dtype(np.array([], dtype=np.datetime64))
    assert not com.is_timedelta64_dtype('0 days')
    assert not com.is_timedelta64_dtype("0 days 00:00:00")
    assert not com.is_timedelta64_dtype(["0 days 00:00:00"])
    assert not com.is_timedelta64_dtype("NO DATE")

    assert com.is_timedelta64_dtype(np.timedelta64)
    assert com.is_timedelta64_dtype(pd.Series([], dtype="timedelta64[ns]"))
    assert com.is_timedelta64_dtype(pd.to_timedelta(['0 days', '1 days']))
Example #5
Source File: test_common.py    From predictive-maintenance-using-machine-learning with Apache License 2.0 5 votes vote down vote up 
def test_is_timedelta64_dtype():
    assert not com.is_timedelta64_dtype(object)
    assert not com.is_timedelta64_dtype(None)
    assert not com.is_timedelta64_dtype([1, 2, 3])
    assert not com.is_timedelta64_dtype(np.array([], dtype=np.datetime64))
    assert not com.is_timedelta64_dtype('0 days')
    assert not com.is_timedelta64_dtype("0 days 00:00:00")
    assert not com.is_timedelta64_dtype(["0 days 00:00:00"])
    assert not com.is_timedelta64_dtype("NO DATE")

    assert com.is_timedelta64_dtype(np.timedelta64)
    assert com.is_timedelta64_dtype(pd.Series([], dtype="timedelta64[ns]"))
    assert com.is_timedelta64_dtype(pd.to_timedelta(['0 days', '1 days']))
Example #6
Source File: test_common.py    From elasticintel with GNU General Public License v3.0 5 votes vote down vote up 
def test_is_timedelta64_dtype():
    assert not com.is_timedelta64_dtype(object)
    assert not com.is_timedelta64_dtype(None)
    assert not com.is_timedelta64_dtype([1, 2, 3])
    assert not com.is_timedelta64_dtype(np.array([], dtype=np.datetime64))
    assert not com.is_timedelta64_dtype('0 days')
    assert not com.is_timedelta64_dtype("0 days 00:00:00")
    assert not com.is_timedelta64_dtype(["0 days 00:00:00"])
    assert not com.is_timedelta64_dtype("NO DATE")

    assert com.is_timedelta64_dtype(np.timedelta64)
    assert com.is_timedelta64_dtype(pd.Series([], dtype="timedelta64[ns]"))
    assert com.is_timedelta64_dtype(pd.to_timedelta(['0 days', '1 days']))
Example #7
Source File: test_common.py    From twitter-stock-recommendation with MIT License 5 votes vote down vote up 
def test_is_timedelta64_dtype():
    assert not com.is_timedelta64_dtype(object)
    assert not com.is_timedelta64_dtype(None)
    assert not com.is_timedelta64_dtype([1, 2, 3])
    assert not com.is_timedelta64_dtype(np.array([], dtype=np.datetime64))
    assert not com.is_timedelta64_dtype('0 days')
    assert not com.is_timedelta64_dtype("0 days 00:00:00")
    assert not com.is_timedelta64_dtype(["0 days 00:00:00"])
    assert not com.is_timedelta64_dtype("NO DATE")

    assert com.is_timedelta64_dtype(np.timedelta64)
    assert com.is_timedelta64_dtype(pd.Series([], dtype="timedelta64[ns]"))
    assert com.is_timedelta64_dtype(pd.to_timedelta(['0 days', '1 days']))