thanks. i'll try zoo or xts. ts is a p.i.t.a.
Gabor Grothendieck wrote: > > lag1resid is a time series, try > > str(residsq) > str(lag1residsq) > > The problem is that when you subscript lag1resid you > don't get a time series out from that. See ?window.ts > or try the zoo or xts packages where subscripting of time > series works. > > On Fri, Oct 10, 2008 at 1:27 PM, Scotty Nelson <[EMAIL PROTECTED]> > wrote: >> >> I am trying to lag a time series. My data is in a matrix, but I coerce >> it >> into a ts object. >> But when I lag it and then look at the result, nothing has changed. What >> am >> I doing wrong????? >> >> residsq<-resid^2 >> residsq<-as.ts(residsq) >> lag1residsq<-lag(residsq,-1) >> >>> residsq[1:5] >> 1 2 3 4 5 >> 87.759 329882.188 5325849.333 31512.334 70865.228 >>> lag1residsq[1:5] >> 1 2 3 4 5 >> 87.759 329882.188 5325849.333 31512.334 70865.228 >>> >> >> PS: I tried to lag the series manually using rbind(0, residsq), but the >> result ended up returning me [ 0, residsq(1), 0, residsq(2), 0, ....] >> WTF!!!! how do you stack 1 element onto another in R? >> -- >> View this message in context: >> http://www.nabble.com/lag-function-doesn%27t-work---what-am-i-doing-wrong--tp19922651p19922651.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. >> > > ______________________________________________ > 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. > > -- View this message in context: http://www.nabble.com/lag-function-doesn%27t-work---what-am-i-doing-wrong--tp19922651p19923295.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.
