[BioC] rcor.test

[Damion Colin Nero]

What I am looking for is to pair one observation with all others as
computing all possible pairwise correlations is computationally
unfeasible using R with very large datasets

Damion Nero
Plant Molecular Biology Lab
Department of Biology 
New York University


----- Original Message -----
From: Naomi Altman <naomi at stat.psu.edu>
Date: Friday, February 2, 2007 3:31 pm
Subject: Re: [BioC] rcor.test

> To me, correlation measures the linear association between paired 
> observations.  Since the pairing is essential, how could the 
> datasets 
> not be the same length?
> 
> --Naomi
> 
> At 10:12 AM 1/31/2007, Damion Colin Nero wrote:
> >I am using the rcor.test function available in the ltm package and
> >wanted to know if there was a way to use this function to compute the
> >correlation of two datasets that are not of equal length (similar 
> to the
> >base cor function).  I was thinking an apply function like by 
> might work
> >but so far I have had no luck getting it to work.I was wondering if
> >anyone could give me some general advice on this.
> >
> >Damion Nero
> >Plant Molecular Biology Lab
> >Department of Biology
> >New York University
> >
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> 
> Naomi S. Altman                                814-865-3791 (voice)
> Associate Professor
> Dept. of Statistics                              814-863-7114 (fax)
> Penn State University                         814-865-1348 
> (Statistics)University Park, PA 16802-2111
> 
>