Just enter nlme:::ACF.gls at the command prompt and hit enter. This works with most functions. Another option is to download the source code of nlme from CRAN.
HTH, Thierry ---------------------------------------------------------------------------- ir. Thierry Onkelinx Instituut voor natuur- en bosonderzoek team Biometrie & Kwaliteitszorg Gaverstraat 4 9500 Geraardsbergen Belgium Research Institute for Nature and Forest team Biometrics & Quality Assurance Gaverstraat 4 9500 Geraardsbergen Belgium tel. + 32 54/436 185 thierry.onkel...@inbo.be www.inbo.be To call in the statistician after the experiment is done may be no more than asking him to perform a post-mortem examination: he may be able to say what the experiment died of. ~ Sir Ronald Aylmer Fisher The plural of anecdote is not data. ~ Roger Brinner The combination of some data and an aching desire for an answer does not ensure that a reasonable answer can be extracted from a given body of data. ~ John Tukey -----Oorspronkelijk bericht----- Van: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] Namens alok juneja Verzonden: dinsdag 22 december 2009 13:26 Aan: Prof Brian Ripley CC: R help Onderwerp: Re: [R] ACF normalization. May be please inform where I can find the source code for "nlme:::ACF.gls" and "nlme:::ACF.lme". Sorry to ask. As I have looked into the R directory but don't find that. Best Alok --- On Tue, 12/22/09, Prof Brian Ripley <rip...@stats.ox.ac.uk> wrote: > From: Prof Brian Ripley <rip...@stats.ox.ac.uk> > Subject: Re: [R] ACF normalization. > To: "alok juneja" <junejaa...@yahoo.com> > Cc: "R help" <r-help@r-project.org> > Date: Tuesday, December 22, 2009, 11:58 AM On Tue, 22 Dec 2009, alok > juneja > wrote: > > > Hi, > > > > My earlier email was sent as html so no visible > properly. I am now posting it as text. Sorry for the duplication of > the message. > > > > > > Can anyone please provide the formula used to compute > ACF(nlme). I believe the one that is used in R is of the type > mentioned on the website > (http://www.itl.nist.gov/div898/handbook/eda/section3/autocopl.htm). > Please correct me if I am wrong. The normalization of the numerator > (Ch) > > has been done by 'N' where as I would like to do it by > 'N-k'. Is there > > anyway in the present implementation of ACF to > normalize it by 'N-k', > > where 'N' is the total number of observations and 'k' > is the lag. > > Please read the code for yourself: > > nlme:::ACF.gls > nlme:::ACF.lme > > whichever is appropriate. > > > Best > > Alok > > > > ______________________________________________ > > 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. > > > > -- > Brian D. Ripley, > rip...@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 > 272866 (PA) > Oxford OX1 3TG, UK > Fax: +44 1865 272595 > ______________________________________________ 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. Druk dit bericht a.u.b. niet onnodig af. Please do not print this message unnecessarily. Dit bericht en eventuele bijlagen geven enkel de visie van de schrijver weer en binden het INBO onder geen enkel beding, zolang dit bericht niet bevestigd is door een geldig ondertekend document. The views expressed in this message and any annex are purely those of the writer and may not be regarded as stating an official position of INBO, as long as the message is not confirmed by a duly signed document. ______________________________________________ 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.
