Hi Alan,
There is a good, ready made, way of doing this, with additional options, in
Professor Fox's car package. See:---
require(car)
?scatterplot.matrix
Cheers,
Mark.
Alan S Barnett-2 wrote:
>
> I'm using pairs() to generate a scatterplot matrix;
>
> pairs(~
> Fuzzy.gray.white.ratio+Fuzzy.gw.t.score+AgeWhenTested+signal_mean.noise,
> data=datam,subset=status=="control",main="Controls",
> labels=c("G/W","Peak Separation","Age","S/N"))
>
>
> How can I add regression lines to the plots?
>
> ______________________________________________
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>
>
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