Try this: #DF <- read.table( ) DF[!as.POSIXlt(DF$V1)[['min']] %% 15,]
On Tue, Aug 17, 2010 at 10:02 AM, skan <juanp...@gmail.com> wrote: > > Hello > > I have a file with this format > > 2005-01-03 09:05 0.00 > 2005-01-03 09:10 0.01 > 2005-01-03 09:15 0.02 > 2005-01-03 09:20 0.03 > 2005-01-03 09:25 0.04 > 2005-01-03 09:30 0.05 > 2005-01-03 09:35 0.06 > 2005-01-03 09:40 0.07 > 2005-01-03 09:45 0.08 > 2005-01-03 09:50 0.09 > 2005-01-03 09:55 0.10 > 2005-01-03 10:00 0.00 > 2005-01-03 10:05 0.00 > .... > some data may be missing > > > And I need to keep just the rows with time multiple of 15sec > 2005-01-03 09:15 0.02 > 2005-01-03 09:30 0.05 > 2005-01-03 09:45 0.08 > 2005-01-03 10:00 0.00 > ....... > > > How can I do it? > > thanks > -- > View this message in context: > http://r.789695.n4.nabble.com/remove-rows-tp2328312p2328312.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. > -- Henrique Dallazuanna Curitiba-Paraná-Brasil 25° 25' 40" S 49° 16' 22" O [[alternative HTML version deleted]]
______________________________________________ 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.
