[R] acf() plots of a data.frame: what meaning?
oliver at first.in-berlin.de
Tue Oct 28 17:37:03 CET 2008
what is the meaning of the plots of an acf()-plot,
when using a data frame as argument?
The result is NOT obvious for me.
There are combinations of the columns of a dataframe in the reulting
But an acf() is just defined for onyl one time-sreies.
So what do the plots mean? I did not found a description in the
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