thanks again,
but i do not think this is precise, are there other way to go?
thanks
Levy Lee
----- Original Message -----
From: "Eric Uslaner" <[email protected]>
To: <[email protected]>
Sent: Monday, October 11, 2004 8:57 PM
Subject: st: Re: ST: one-tailed test
> Levy Lee asks how to perform a one-tailed test after a regression and
> Richard Williams responds: "ust look at the printout, and see (a) is
> the coefficient for x2 positive, and (b) is it significant at the .10
> level (or double whatever alpha level it is you want to chose). You
> don't need
> to do any additional analyses, the information you need is already
> there."
>
> Well, not quite. Stata (annoyingly) always reports 2-tailed tests,
> whereas one-tailed tests are clearly more appropriate. So you need to
> divide the p level by 2.
>
>
>
> Ric Uslaner
> Department of Government and Politics
> University of Maryland
> College Park, MD 20742
> office phone: 301-405-4151
> home phone 301-279-0414
> office fax: 301-314-9690
> home fax: 301-279-2614
> e-mail: [email protected]
> home page: http://www.bsos.umd.edu/gvpt/uslaner
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