On Thu, 22 Jan 2004, jenny smith wrote:
> Hi, How can I extract the standard deviation of the coefficients when
> using the lm function. I know ____$coefficient gives me the individual
> betas. thank you
$coefficient is not the recommended way to get the coefficients.
use coef(your.model) for the coefficients and vcov(your.model) for their
variance matrix, so that sqrt(diag(vcov(your.model))) are the standard
errors.
-thomas
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Thomas Lumley Assoc. Professor, Biostatistics
[EMAIL PROTECTED] University of Washington, Seattle
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