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RE: st: significant figures in regression P values


From   DE SOUZA Eric <eric.de_souza@coleurope.eu>
To   "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>
Subject   RE: st: significant figures in regression P values
Date   Thu, 13 Jan 2011 09:47:46 +0100

. display ttail(5.09, 23)
1.215e-06
23 chosen arbitrarily since degrees of freedom not given.

Eric de Souza
College of Europe
Brugge (Bruges), Belgium
http://www.coleurope.eu


-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Delahanty, Ryan
Sent: 13 January 2011 06:24
To: statalist@hsphsun2.harvard.edu
Subject: st: significant figures in regression P values

Using Stata 11.

Doing linear and logistic regression on GWAS datasets in Stata using -regress- and -logistic- and have an elementary problem:

When carrying out regression, the P values given are rounded to 3 places. I need to see values which could range from 1 to 1x10^-20 or so. How can I get Stata to give me these values in scientific notation?

------------------------------------------------------------------------------
age_menarche |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
   rs123 |   .1621991   .0318904     5.09   0.000      .099684    .2247141

Thanks,

Ryan

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