Greetings,

Is it possible to see the source code for the acf and ccf functions?  I
want to understand the exact formula used.

It may be in this book, but I am hoping I can find it elsewhere, as the
book is quite expensive.
Venables, W. N. and Ripley, B. D. (2002) *Modern Applied Statistics with S*.
Fourth Edition. Springer-Verlag.


Sincere thanks,
Cathy Lee Gierke

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