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st: svylc


From   ACavallo@lexecon.com
To   statalist@hsphsun2.harvard.edu
Subject   st: svylc
Date   Wed, 10 Sep 2003 11:58:05 -0500




I am trying to save results from svylc to a postfile.  I want to save the
p-value and confidence interval but they are not returned.

Here is an example after svyreg:

. svylc somecoll-assoc

 ( 1)  somecoll - assoc = 0.0

------------------------------------------------------------------------------
      lnw_1Q |      Coef.    Std. Err.      t    P>|t|    [95% Conf.
Interval]
-------------+----------------------------------------------------------------
         (1) |  -.2330609    .0158403   -14.71   0.000   -.2642388
-.201883
------------------------------------------------------------------------------

. return li

scalars:
              r(deft) =  1.06410465228278
              r(deff) =  1.132318711009857
             r(N_psu) =  574
          r(N_strata) =  287
                r(se) =  .0158403258907145
               r(est) =  -.2330608993356358

I can save the estimate and std error to scalars and compute the t-stat,
but I need the right df to get the p-value.

What are the degrees of freedom for the t test in svylc?  Is there an
adjustment for strata/PSUs?


Thanks in advance!


--Alex Cavallo
Lexecon
(312) 322-0208  voice
(312) 322-0218  fax

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