[R] Beginner's Question on Linear Regression Models

Andrew Perrin
Sat, 21 Jun 2003 16:58:19 -0000

John Fox was kind enough to reply, but didn't recommend IMHO the best book
on regression models: his own, John Fox, _An R and S-Plus Companion to
Applied Regression_, Sage, 2002.

ap

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Andrew J Perrin - http://www.unc.edu/~aperrin
Assistant Professor of Sociology, U of North Carolina, Chapel Hill
clists at perrin.socsci.unc.edu * andrew_perrin (at) unc.edu


On Sat, 21 Jun 2003, J Ireland wrote:

> Hi Folks,
>
> Could anyone point me to a good reference on linear regression models?
Specifically, I am trying to gain an intuitive feel for how the standard error
values are calculated for the parameter estimates.  My understanding is that
these are computed using the variance-covariance matrix computed from the input
data matrix.  Although I think I understand the math, I still don't have a
good gut feel for why one parameter is attributed with a larger standard error
than the next parameter.
>
> Also, I am interested in knowing how to test that two parameters are
significantly different from one another.
>
> Thanks in advance for your help.
> -James
>
>
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