Hi Thanks for the data.
There is function na.locf in zoo package. > library(zoo) Attaching package: ‘zoo’ The following objects are masked from ‘package:base’: as.Date, as.Date.numeric new$Event <- na.locf(new$Event) [1] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 [19] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 [37] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 [55] 0.1 0.1 0.1 0.1 0.1 0.1 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 [73] 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 [91] 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 [109] 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 1.2 Levels: 0.1 0.5 1.2 Beware that Event is factor variable. Cheers Petr > -----Original Message----- > From: R-help [mailto:r-help-boun...@r-project.org] On Behalf Of Dagmar > Sent: Tuesday, October 20, 2015 12:37 PM > To: r-help@r-project.org > Subject: [R] seq POSIXct and fill in data by Tagmarie > > Hello, > This must be a bloody R-beginner question but I just can't find an > answer in my beginner books: > I have a dataframe like this: > > myframe <- data.frame (Timestamp=c("24.09.2012 09:00:00", "24.09.2012 > 10:00:00", "24.09.2012 11:00:00"), Event=c("0.1","0.5","1.2") ) > myframe$Timestamp <- as.POSIXct(strptime(myframe$Timestamp, > format="%d.%m.%Y %H:%M:%S")) > expand<-data.frame(Timestamp=seq(myframe[1,1], myframe[3,1], by="1 > mins")) > head(expand) > new <- merge(expand, myframe, all=T) > head(new) > > I do not only want to expand the Dates but also I want to fill in the > "Events" (i.e. 0,1 untill the date were 0.5 starts). > How do I do this? > Thanks in advance! > > ______________________________________________ > 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. ________________________________ Tento e-mail a jakékoliv k němu připojené dokumenty jsou důvěrné a jsou určeny pouze jeho adresátům. 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