Since todays ground water may be influenced by yesterdays rainfall, you may 
want to look at the dynlm package and possibly lag.plot and the zoo package.

-- 
Gregory (Greg) L. Snow Ph.D.
Statistical Data Center
Intermountain Healthcare
greg.s...@imail.org
801.408.8111


> -----Original Message-----
> From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-
> project.org] On Behalf Of Chris Li
> Sent: Wednesday, September 23, 2009 5:37 PM
> To: r-help@r-project.org
> Subject: [R] Statistical analysis
> 
> 
> Hi all,
> 
> I have got two datasets, one of them is rainfall data and the other one
> is
> groundwater level data.
> 
> I would like to see whether there is a correlation between these two
> datasets and if there is, to what extent they are correlated.
> 
> My stats background is limited, therefore any advice on which command I
> should use in R would be greatly appreciated.
> 
> Thanks in advance.
> Chris
> --
> View this message in context: http://www.nabble.com/Statistical-
> analysis-tp25531331p25531331.html
> Sent from the R help mailing list archive at Nabble.com.
> 
> ______________________________________________
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