Please specify a reproducible example and tell us your version of R and your OS (as the posting guide asks you to do!), the following works for me: lag(lh, -2)
Uwe Ligges j taecha wrote: > As a newbie to R I have the following question. I would like to compare > values in a time series with values of the same series x observations ago. In > gretl this is simply done like so: > > In R, I seem not to get it working. I have tried lag(data,-x) to obtain the > lagged time series which produces the following error message: > > Error in attr(x, "tsp") <- c(1, NROW(x), 1) : > invalid time series parameters specified > > Can anyone enlighten me on how to accomplish this task in R? > > Thanks. > > > > ------------------------------------------------------------------------ > > ______________________________________________ > 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. ______________________________________________ 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.