Please do read the posting guides and give us a reproducible example. We don't know what the errors you get from HoltWinters are. I guess we need to see the data you are using etc.
Giovanni Petris > Date: Thu, 06 Aug 2009 11:33:58 -0700 (PDT) > From: voidobscura <[email protected]> > Sender: [email protected] > Precedence: list > > > I have a set of data (in a matrix). I spliced a column out and parsed it > as.ts (time series). I then plotted the time series but I found that it was > very noisy. I wanted to smooth it out. However, I am having some problems > smoothing and plotting the smoothed version. > > > A <- as.ts(read.table(choose.files())) > > x <- as.ts(A[,10]) > > plot(x) > > > plot(smooth(x)) > > plot(smooth(x)) looks exactly like plot(x). Also, > > > StructTS(x) > Error in optim(init[mask], getLike, method = "L-BFGS-B", lower = rep(0, : > L-BFGS-B needs finite values of 'fn' > > The HoltWinters smoothing or the Kalman smoothing don't work either for > various errors... I'm not quite sure what's wrong. > > Thanks. > -- > View this message in context: > http://www.nabble.com/Time-Series-smoothing-tp24852054p24852054.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > [email protected] 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. > > ______________________________________________ [email protected] 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.
