我有许多列包含起始时间和偏移时间。我希望能够从总的设备延迟因子中减去这些列,得到校正的偏移量和开始时间。似乎存在一个边缘案例,导致答案的格式为:-1天+23:34:30.300000
import pandas as pd
import numpy as np
example=[["2","0 days 00:00:57.3","0 days 00:01:12.9","00:00:50.2","pos"],
["13","0 days 00:30:08.5","0 days 00:32:14.0", "00:20:28.0","neg"],
["6","0 days 00:27:18.7","0 days 00:01:24.2","0 days 00:26:48.4","pos"],
["7","0 days 00:01:56.676000","0 days 00:04:56.2","0 days 00:15:33.455000","pos"]]
example_table= pd.DataFrame(example,columns["ID","Start_Time","End_Time","Factor","tag"])
example_table.Factor=example_table.Factor.apply(pd.to_timedelta)
我的包含时间的列的格式为timedelta64[ns]
example_table["x"]=(example_table["Start_Time"]-example_table["Factor"])
example_table["absolute?"]=abs(example_table["Start_Time"]-example_table["Factor"])
ID 2和13的答案似乎是正确的,但ID 7的答案应该与显示的内容不同
请尝试改用
diff
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