Full_Name: Hiroyuki Kawakatsu Version: 1.3.1 OS: win2k Submission from: (NULL) (130.158.140.105) the lag labels in the acf plot is screwed when the ts frequency>1. try, for example, #acf mis-feature x <- ts(rnorm(200), frequency=4); acf(x,lag.max=24); h.> version_ platform i386-pc-mingw32 arch x86 os Win32 system x86, Win32 status major 1 minor 3.1 year 2001 month 08 day 31 language R -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-devel mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body", not the subject !) To: r-devel-request@stat.math.ethz.ch _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._
On Mon, 19 Nov 2001 hkawakat@sk.tsukuba.ac.jp wrote:> Full_Name: Hiroyuki Kawakatsu > Version: 1.3.1 > OS: win2k > Submission from: (NULL) (130.158.140.105) > > > the lag labels in the acf plot is screwed when the ts frequency>1. > try, for example, > > #acf mis-feature > x <- ts(rnorm(200), frequency=4); > acf(x,lag.max=24);Please explain what you mean by `screwed' (which BTW is not polite English): what do you think is wrong here? I get the labels I expect: if this is quarterly data the lags are labelled in years. That is what `frequency = 4' is intended to mean: 4 observations per unit of time. There is no bug that I can see. -- Brian D. Ripley, ripley@stats.ox.ac.uk Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/ University of Oxford, Tel: +44 1865 272861 (self) 1 South Parks Road, +44 1865 272860 (secr) Oxford OX1 3TG, UK Fax: +44 1865 272595 -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-devel mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body", not the subject !) To: r-devel-request@stat.math.ethz.ch _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._
At Mon, 19 Nov 2001 08:36:38, you wrote:> I get the labels I expect: if this is quarterly data the lags are labelled > in years. That is what `frequency = 4' is intended to mean: 4 > observations per unit of time.that's the feature i didn't understand. i expected lags in periods (or observations), not years. h. -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-devel mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body", not the subject !) To: r-devel-request@stat.math.ethz.ch _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._