Python Pandas - 使用特定时间序列频率从 DateTimeIndex 提取小时
要使用特定时间序列频率从 DateTimeIndex 提取小时,请使用 **DateTimeIndex.hour** 属性。
首先,导入所需的库 −
import pandas as pd
DatetimeIndex 的周期为 6,频率为 H,即小时。时区为澳大利亚/悉尼 −
datetimeindex = pd.date_range('2021-10-20 02:35:55', periods=6, tz='Australia/Sydney', freq='H')
显示 DateTimeIndex −
print("DateTimeIndex...\n", datetimeindex)获取小时 −
print("\nGetting the hour..\n",datetimeindex.hour)
示例
以下是代码 −
import pandas as pd
# DatetimeIndex with period 6 and frequency as H i.e. hour
# The timezone is Australia/Sydney
datetimeindex = pd.date_range('2021-10-20 02:35:55', periods=6, tz='Australia/Sydney', freq='H')
# display DateTimeIndex
print("DateTimeIndex...\n", datetimeindex)
# display DateTimeIndex frequency
print("DateTimeIndex frequency...\n", datetimeindex.freq)
# get the hour
print("\nGetting the hour..\n",datetimeindex.hour)输出
这将生成以下代码 −
DateTimeIndex... DatetimeIndex(['2021-10-20 02:35:55+11:00', '2021-10-20 03:35:55+11:00', '2021-10-20 04:35:55+11:00', '2021-10-20 05:35:55+11:00', '2021-10-20 06:35:55+11:00', '2021-10-20 07:35:55+11:00'], dtype='datetime64[ns, Australia/Sydney]', freq='H') DateTimeIndex frequency... <Hour> Getting the hour.. Int64Index([2, 3, 4, 5, 6, 7], dtype='int64')
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