On 08-May-08 18:23:27, E C wrote: > Hi everyone, > > When the CCF between two series of observations is plotted in R, a line > indicating (presumably) the significance threshold appears across the > plot. Does anyone know how this threshold is determined (it is > different for each set of series) and how its value can be extracted > from R? I've tried saving the CCF into an object and unclassing the > object, but there's nothing there to indicate this. > Some sample code to show what I mean: > x <- c(1,2,3,4,5,6,7,8,9) > y <- c(3,4,5,6,7,8,9,10,11) > ccf(x, y, plot=T) > Thanks in advance!
Have a look at ?plot.acf (also used for plotting ccf objects) Ted. -------------------------------------------------------------------- E-Mail: (Ted Harding) <[EMAIL PROTECTED]> Fax-to-email: +44 (0)870 094 0861 Date: 08-May-08 Time: 19:54:20 ------------------------------ XFMail ------------------------------ ______________________________________________ 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.
