http://pandas.pydata.org/pandas-docs/stable/generated/pandas.date_range.html#pandas.date_range
pandas.date_range(start=None, end=None, periods=None, freq='D', tz=None, normalize=False, name=None, closed=None, **kwargs)
参数
参数 | 描述 | start : string or datetime-like, default None end : string or datetime-like, default None periods : integer or None, default None 生成时间段的size，要指定开始时间或者结束时间 freq : string or DateOffset, default ‘D’ (calendar daily) 生成时间的间隔，默认是天 tz : string or None Time zone name for returning localized DatetimeIndex, for example Asia/Hong_Kong normalize : bool, default False Normalize start/end dates to midnight before generating date range name : str, default None Name of the resulting index closed : string or None, default None Make the interval closed with respect to the given frequency to the ‘left’, ‘right’, or both sides (None)freq参数选项
简称 | Description | 描述 | B business day frequency 工作日 C custom business day frequency (experimental) D calendar day frequency 日历日 W weekly frequency M month end frequency SM semi-month end frequency (15th and end of month) BM business month end frequency CBM custom business month end frequency MS month start frequency SMS semi-month start frequency (1st and 15th) BMS business month start frequency CBMS custom business month start frequency Q quarter end frequency BQ business quarter endfrequency QS quarter start frequency BQS business quarter start frequency A year end frequency BA business year end frequency AS year start frequency BAS business year start frequency BH business hour frequency H hourly frequency T, min minutely frequency S secondly frequency L, ms milliseconds U, us microseconds N nanoseconds 返回值
rng : DatetimeIndex
其他
bdate_range([start, end, periods, freq, tz, …])工作日序列生成快捷函数
period_range([start, end, periods, freq, name])范围序列生成快捷函数
