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st: RE: -betafit- and -dirifit- updated on ssc


From   "Feiveson, Alan H. (JSC-SK311)" <alan.h.feiveson@nasa.gov>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: -betafit- and -dirifit- updated on ssc
Date   Fri, 8 Sep 2006 08:23:40 -0500

Maarten - Upon trying the -betafit- program, I received a message about
a missing a text file (tpdf.txt). How do I obtain it? Are there any
other separate files for -betafit- or -dirifit- that need to be
downloaded? Thanks.

Al Feiveson


. betafit bm1,muvar(age igr1 igr2 fac2_1)  phi(age fac7_1 igr1 igr2)
file a:tpdf.txt not found
r(601); 

-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu
[mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Maarten buis
Sent: Thursday, September 07, 2006 10:16 AM
To: statalist@hsphsun2.harvard.edu
Subject: st: -betafit- and -dirifit- updated on ssc

Thanks to Kit Baum -betafit- and -dirifit- have been updated on SSC. To
get the update use -ssc install- or -adoupdate-. Descriptions of both
programs are added at the bottom of this message.

The main change is the addition of the command -dbetafit- to -betafit-
and -ddirifit- to -dirifit-. Both display various types of marginal
effects. In other words they help in making statements like "the
proportion of income spent on food decreases with 3 percentage points if
a persons salery increases by one thousand euros while keeping all other
variables at the mean". -betafit- and -dirifit- show effects in terms of
changes in log odds, which some find less interpretable.

The changes also include some bug fixes, improvements of the help files
and improved labeling of the output. Thanks to Pamala Wiepking and
Silvia Balia for useful comments.

Maarten

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