[R] p-value from lm

[Adam Kornick]

I'd like to automatically plot the p-value and r^2 of a linear model.
I know that I can extract r^2 with 

foo <- lm(y~x)
a <- summary(foo)
a$r.squared

I can't find any similar functionality to obtain the p-value based on
the ftest

a$fstatistic returns the actual f-test and df, but not the p-value.

Any thoughts?

Thanks,

Adam

using		R-0.65.1
                Win32
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