R 时间序列解析-PI数据
我有一个非常大的时间序列数据集,格式如下R 时间序列解析-PI数据,r,time-series,large-data,R,Time Series,Large Data,我有一个非常大的时间序列数据集,格式如下 "Tag.1","1/22/2015 11:59:54 PM","570.29895", "Tag.1","1/22/2015 11:59:56 PM","570.29895", "Tag.1","1/22/2015 11:59:58 PM","570.29895", "Tag.1","1/23/2015 12:00:00 AM","649.67133", "Tag.2","1/22/2015 12:00:02 AM","1.21", "Tag.2","
"Tag.1","1/22/2015 11:59:54 PM","570.29895",
"Tag.1","1/22/2015 11:59:56 PM","570.29895",
"Tag.1","1/22/2015 11:59:58 PM","570.29895",
"Tag.1","1/23/2015 12:00:00 AM","649.67133",
"Tag.2","1/22/2015 12:00:02 AM","1.21",
"Tag.2","1/22/2015 12:00:04 AM","1.21",
"Tag.2","1/22/2015 12:00:06 AM","1.21",
"Tag.2","1/22/2015 12:00:08 AM","1.21",
"Tag.2","1/22/2015 12:00:10 AM","1.21",
"Tag.2","1/22/2015 12:00:12 AM","1.21",
我想把它分成一个数据帧,其中一个公共列表示时间戳,另一个列表示标记
Date.Time, Tag.1, Tag.2, Tag.3...
1/22/2015 11:59:54 PM,570.29895,
如有任何建议,将不胜感激 可能是这样的:
castdf,V2~V1,平均值='V3'
V2标签1标签2
2015年11月22日11:59:54下午570.2989南
2015年1月22日11:59:56下午570.2989南
3 2015年1月22日11:59:58下午570.2989南
4 2015年1月22日上午12:00:02南1.21
5 2015年1月22日12:00:04上午南1.21
6 2015年1月22日12:00:06上午南1.21
7 2015年1月22日12:00:08上午南1.21
8 2015年1月22日12:00:10南1.21
2015年11月22日12:00:12上午南1.21
10 2015年1月23日12:00:00 AM 649.6713 NaN
铸造是重塑包装的一部分
最好的,
ZP