There is the pairs2 function in the TeachingDemos package that works like
cor(x,y) where you give it 2 matricies/data frames and it gives the
pairwise plots between the 2 groups.  There is currently not a formula
interface.


On Fri, Mar 29, 2013 at 12:16 PM, Michael Friendly <friendly@yorku.ca>wrote:

> With a data frame containing some X & Y variables I can get the between
> set correlations
> with cor(X,Y):
>
> > cor(NLSY[,1:2], NLSY[3:6])
>           antisoc    hyperact     income      educ
> math  0.043381307 -0.07581733 0.25487753 0.2876875
> read -0.003735785 -0.07555683 0.09114299 0.1884101
>
> Is there somewhere an analog of pairs(X,Y) that will produce the pairwise
> plots of each X against each Y?
> The formula method for pairs() is for a one-sided formula.  As a formula,
> I'm looking
> for something like
>
> pairs(math + read ~ antisoc +hyperact + income +  educ, data=NLSY)
>
> lattice::xyplot has an extended formula interface, but interprets '+' to
> mean
> superposition.
>
> --
> Michael Friendly     Email: friendly AT yorku DOT ca
> Professor, Psychology Dept. & Chair, Quantitative Methods
> York University      Voice: 416 736-2100 x66249 Fax: 416 736-5814
> 4700 Keele Street    Web:   http://www.datavis.ca
> Toronto, ONT  M3J 1P3 CANADA
>
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> and provide commented, minimal, self-contained, reproducible code.
>



-- 
Gregory (Greg) L. Snow Ph.D.
538280@gmail.com

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