Hmm, this does not seem to be over-documented :-) But try ?plot.acf and getAnywhere(plot.acf)
Then you can find in the code how the values are actually calculated. Petr Gladwin, Philip [CIB-FI] napsal(a): > Hello, > I was wondering if anybody could help me with this? > > I have plotted an acf function for a time series and am very happy with it. > Now I am interested in calculating for myself the two values for the > confidence > intervals that are plotted on the graph of the acf. > > The confidence intervals do not appear to be returned from the acf function > (is this true?). > > So far I haven't managed to calculate them myself. Can anybody help? > > Phil, > > ______________________________________________ > R-help@stat.math.ethz.ch 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. > -- Petr Klasterecky Dept. of Probability and Statistics Charles University in Prague Czech Republic ______________________________________________ R-help@stat.math.ethz.ch 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.