本文整理汇总了Python中pandas.tseries.frequencies.get_to_timestamp_base方法的典型用法代码示例。如果您正苦于以下问题:Python frequencies.get_to_timestamp_base方法的具体用法?Python frequencies.get_to_timestamp_base怎么用?Python frequencies.get_to_timestamp_base使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类pandas.tseries.frequencies
的用法示例。
在下文中一共展示了frequencies.get_to_timestamp_base方法的4个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: test_get_to_timestamp_base
# 需要导入模块: from pandas.tseries import frequencies [as 别名]
# 或者: from pandas.tseries.frequencies import get_to_timestamp_base [as 别名]
def test_get_to_timestamp_base(self):
tsb = frequencies.get_to_timestamp_base
assert (tsb(frequencies.get_freq_code('D')[0]) ==
frequencies.get_freq_code('D')[0])
assert (tsb(frequencies.get_freq_code('W')[0]) ==
frequencies.get_freq_code('D')[0])
assert (tsb(frequencies.get_freq_code('M')[0]) ==
frequencies.get_freq_code('D')[0])
assert (tsb(frequencies.get_freq_code('S')[0]) ==
frequencies.get_freq_code('S')[0])
assert (tsb(frequencies.get_freq_code('T')[0]) ==
frequencies.get_freq_code('S')[0])
assert (tsb(frequencies.get_freq_code('H')[0]) ==
frequencies.get_freq_code('S')[0])
示例2: to_timestamp
# 需要导入模块: from pandas.tseries import frequencies [as 别名]
# 或者: from pandas.tseries.frequencies import get_to_timestamp_base [as 别名]
def to_timestamp(self, freq=None, how='start'):
"""
Cast to DatetimeIndex
Parameters
----------
freq : string or DateOffset, optional
Target frequency. The default is 'D' for week or longer,
'S' otherwise
how : {'s', 'e', 'start', 'end'}
Returns
-------
DatetimeIndex
"""
how = _validate_end_alias(how)
if freq is None:
base, mult = _gfc(self.freq)
freq = frequencies.get_to_timestamp_base(base)
else:
freq = Period._maybe_convert_freq(freq)
base, mult = _gfc(freq)
new_data = self.asfreq(freq, how)
new_data = period.periodarr_to_dt64arr(new_data._ndarray_values, base)
return DatetimeIndex(new_data, freq='infer', name=self.name)
示例3: to_timestamp
# 需要导入模块: from pandas.tseries import frequencies [as 别名]
# 或者: from pandas.tseries.frequencies import get_to_timestamp_base [as 别名]
def to_timestamp(self, freq=None, how='start', tz=None):
"""
Return the Timestamp representation of the Period at the target
frequency at the specified end (how) of the Period
Parameters
----------
freq : string or DateOffset, default is 'D' if self.freq is week or
longer and 'S' otherwise
Target frequency
how: str, default 'S' (start)
'S', 'E'. Can be aliased as case insensitive
'Start', 'Finish', 'Begin', 'End'
Returns
-------
Timestamp
"""
how = _validate_end_alias(how)
if freq is None:
base, mult = _gfc(self.freq)
freq = _freq_mod.get_to_timestamp_base(base)
base, mult = _gfc(freq)
val = self.asfreq(freq, how)
dt64 = tslib.period_ordinal_to_dt64(val.ordinal, base)
return Timestamp(dt64, tz=tz)
示例4: to_timestamp
# 需要导入模块: from pandas.tseries import frequencies [as 别名]
# 或者: from pandas.tseries.frequencies import get_to_timestamp_base [as 别名]
def to_timestamp(self, freq=None, how='start'):
"""
Cast to DatetimeIndex
Parameters
----------
freq : string or DateOffset, default 'D' for week or longer, 'S'
otherwise
Target frequency
how : {'s', 'e', 'start', 'end'}
Returns
-------
DatetimeIndex
"""
how = _validate_end_alias(how)
if freq is None:
base, mult = _gfc(self.freq)
freq = frequencies.get_to_timestamp_base(base)
else:
freq = Period._maybe_convert_freq(freq)
base, mult = _gfc(freq)
new_data = self.asfreq(freq, how)
new_data = period.periodarr_to_dt64arr(new_data._values, base)
return DatetimeIndex(new_data, freq='infer', name=self.name)