Re: [R] Auto-correlation function?

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Prof Brian D Ripley (ripley@stats.ox.ac.uk)
Thu, 23 Sep 1999 07:09:18 +0100 (BST) 




On Thu, 23 Sep 1999, Alvaro A. Novo wrote:



> On Thu, 23 Sep 1999, Stephen R. Laniel wrote:


> 


> > Does the acf() function that one finds inside S+ exist in R?  I thought I


> > had downloaded all the correct files, and I would have expected that the


> > standard files contained an auto-correlation function.  Is it just under a


> > different name than the S+ function?


> 


> There's a package tseries that includes an acf function. (see http below)



The current version (0.2-0) does not include an acf function; earlier ones


did.



> Now, it says that it depends on package ts (which I have installed), but


> I can't find it in 


> 


> http://lib.stat.cmu.edu/R/CRAN/src/contrib/PACKAGES.html


> 


> Has gone missing? Or, am I missing something?



It is part of the standard R 0.65.0.



In summary, the answer is



Use R 0.65.0


Invoke library(ts).



If you cannot use 0.65.0, there are versions in packages bats and coda,


I believe.



-- 
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

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