R help - Aug 2001 - multiple correlation?

I'm looking for a function for the 'multiple correlation' but can
not figure
out what it is called in R by using the html search function. Maybe it is
called in another way in english? I only know the german term?
Can anyone help me?

Thomas Pesl
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----- Original Message -----
From: "Pesl Thomas" <thomas.pesl at arcs.ac.at
> I'm looking for a function for the 'multiple correlation' but
can not
figure
> out what it is called in R by using the html search function. Maybe it is
> called in another way in english? I only know the german term?
> Can anyone help me?
>
> Thomas Pesl
Here is one way you could do it.

data(longley)
mod <- lm(GNP.deflator~GNP+Employed,data=longley)
sqrt(summary(mod)$r.squared)

-Bill

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>From owner-r-help at stat.math.ethz.ch Thu Aug 23 03:32:40 2001
>
>I'm looking for a function for the 'multiple correlation' but
can not figure
>out what it is called in R by using the html search function. Maybe it is
>called in another way in english? I only know the german term?
>Can anyone help me?
>
>Thomas Pesl
The multiple corrlelation (as I learned it) is the square root of
R squared.  So, for example, the multiple correlation for
predicting y1 from x1, x2, and x3 is

sqrt(summary(lm(y1 ~ x1 + x2 + x3))$r.sq)

r.sq is an available property of summary(lm()), but not, apparently
of lm() itself.

Jon Baron

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