Hello Where could I find examples on how to work with the time index in a timeseries or zoo series?
Let say I've got this series DATA 1990-01-01 10:00:00 0.900 1990-01-01 10:01:00 0.910 1990-01-01 10:03:00 0.905 1990-01-01 10:04:00 0.905 1990-01-01 10:05:00 0.890 ....................... 2000-12-31 20:00:00 0.992 How do I make simple calculations such as ... ? Calculate the mean of the first data every day. (mapply, for loop, tapply ?) Transform data to a table, with dates in one axis and times in the other. thanks -- View this message in context: http://r.789695.n4.nabble.com/working-with-zoo-time-index-tp2255804p2255804.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ R-help@r-project.org mailing list 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.
