I think one of the suggestion was to use something like, assuming you have the time in POSIXct
format(x$time, format = "%H:%M:%S") >= "20:10:00" & format(x$time, format = "%H:%M:%S") <= "21:00:00" This takes the 'date' out of the equation. You can always write a function to do this for you. On Tue, Dec 27, 2011 at 1:02 PM, ikuzar <raz...@hotmail.fr> wrote: > Jim Holtman > I'd like to compare "hour1:min1:sec1" with "hour2:min2:sec2". > I know how to do to compare "year1-mon1-day1 hour1:min1:sec1" with > "year2-mon2-day2 hour2:min2:sec2" by converting 'character' into POSIXlt > > but > > I'd like to konw if there is another way to do this comparison without > converting my POSIXLT column into 'character' . > If possible, I want to work with DateTime format and not with string so that > I do not make new conversions > > > > -- > View this message in context: > http://r.789695.n4.nabble.com/How-to-extract-an-interval-of-hour-minute-type-tp4237144p4237800.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. -- Jim Holtman Data Munger Guru What is the problem that you are trying to solve? Tell me what you want to do, not how you want to do it. ______________________________________________ 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.
