I think that you need to supply some data with your question. Use dput() to output your data or a subset of it and paste the output into the email See ?dput for more information.
Probably a subset of the data would be sufficient. Something like dput(head(localRaw, 50) should be fine. John Kane Kingston ON Canada > -----Original Message----- > From: yolande....@gmail.com > Sent: Tue, 17 Jul 2012 10:48:28 -0400 > To: r-help@r-project.org > Subject: [R] NA instead of time stamp > > I was wondering why I get <NA> instead of the timestamp in the > following. > Thanks. > >> dataDir <- file.path(wd) >> localRaw <- read.csv(file.path(dataDir,"LOCAL.csv"), >> as.is=T,stringsAsFactors > = FALSE) >> localRaw[1:2,] > Year Month Day hour minute second Temp1mab Temp7mab Temp14mab > Salinity1mab > 1 2009 10 5 0 0 0 11.288 13.675 13.743 > 33.513 > 2 2009 10 5 0 15 0 11.258 13.684 13.716 > 33.514 > O21mab waveht wavedir waveperiod depth mab along across > 1 0 54.926 1.600 340 9.09 . NA NA > 2 0 55.574 1.525 340 9.09 . NA NA >> DateTime<-with(localRaw,paste(Year,Month,Day,hour,minute)) >> DateTime<-as.POSIXct(DateTime, format="%m/%d/%Y %H:%M") >> localCond_2009<-xts(localRaw ,order.by=DateTime) >> localCond_2009[1:2,] > Year Month Day hour minute second Temp1mab Temp7mab Temp14mab > <NA> "2009" "10" " 5" " 0" " 0" "0" "11.288" "13.675" "13.743" > <NA> "2009" "10" " 5" " 0" "15" "0" "11.258" "13.684" "13.716" > Salinity1mab O21mab waveht wavedir waveperiod depth mab along > across > <NA> "33.513" "0" "54.926" "1.600" "340.0" " 9.090" "." NA > NA > <NA> "33.514" "0" "55.574" "1.525" "340.0" " 9.090" "." NA > NA > > [[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. ____________________________________________________________ FREE ONLINE PHOTOSHARING - Share your photos online with your friends and family! Visit http://www.inbox.com/photosharing to find out more! ______________________________________________ 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.
