Use summary on the fitted lm object, i.e.:
> fit <- lm(y ~ x, data=mydata)
> summary(fit)
And the t-tests will be printed (along with a bunch of other stuff).
You can also save the results of summary if you want to use the t-values
and p-values for something else.
Hope this helps,
--
Gregory (Greg) L. Snow Ph.D.
Statistical Data Center
Intermountain Healthcare
greg.snow at imail.org
(801) 408-8111
> -----Original Message-----
> From: r-help-bounces at r-project.org
> [mailto:r-help-bounces at r-project.org] On Behalf Of vic zhong
> Sent: Thursday, January 24, 2008 2:07 AM
> To: r-help at r-project.org
> Subject: [R] R help?
>
> Hey does anyone know how to do t.test for beta1 and beta0,
> which are the slope and intercept of the linear regression
>
> Thanks
>
> [[alternative HTML version deleted]]
>
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