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 frien...@yorku.cawrote:
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])
antisochyperact 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 StreetWeb: http://www.datavis.ca
Toronto, ONT M3J 1P3 CANADA
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