http://stats.stackexchange.com/questions/7268/how-to-aggregate-by-minute-data-for-a-week-into-hourly-means
On Wed, Mar 11, 2015 at 12:19 PM, Kuma Raj <pollar...@gmail.com> wrote: > I have a measurement that was taken in 15 minutes or more and want to > aggregate it by hour. How could I do that? > > Sample data is found below > date_time concentration > 26/11/2013 15:46 529.25 > 26/11/2013 16:03 1596 > 26/11/2013 16:23 1027.111 > 26/11/2013 16:39 1001.9 > 26/11/2013 16:54 -80.25 > 26/11/2013 17:12 1064.125 > 26/11/2013 11:14 7969.7 > 26/11/2013 11:32 522 > 26/11/2013 11:58 845.111 > 26/11/2013 12:12 1166.875 > 26/11/2013 12:30 473.375 > 26/11/2013 12:42 466.2 > 26/11/2013 07:47 4358.833 > 26/11/2013 08:05 1257.545 > 26/11/2013 08:24 828.6 > 26/11/2013 08:45 942 > 26/11/2013 08:58 758.111 > 26/11/2013 09:13 832.333 > 26/11/2013 15:45 1876.909 > 26/11/2013 16:07 574.25 > 26/11/2013 16:27 1736.846 > 26/11/2013 16:43 1024.857 > 26/11/2013 16:59 858.538 > 26/11/2013 17:15 912.455 > 26/11/2013 11:18 2086.143 > 26/11/2013 11:39 2078.667 > 26/11/2013 12:03 1619.072 > 26/11/2013 12:16 1197.583 > 26/11/2013 12:35 619.308 > 26/11/2013 12:51 1222.571 > 26/11/2013 07:49 1357.929 > 26/11/2013 08:08 1120 > 26/11/2013 08:29 1381.6 > 26/11/2013 08:48 1493.429 > 26/11/2013 09:03 1113.786 > 26/11/2013 09:18 1217.143 > > ______________________________________________ > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.