Re: st: contrasts

[Nikolaos Pandis <npandis@yahoo.com>]

Dear Jeff,
 
Thank you for the suggestion.
 
marginsplot after :
 
margins r.wiretype,contrast
 
looks neater compared to:
 
margins wiretype, pwcompare
 
BW,
 
Nick



From: Jeff Pitblado <jpitblado@stata.com>
To: statalist@hsphsun2.harvard.edu 
Sent: Monday, October 1, 2012 7:00 PM
Subject: Re: st: contrasts

Nikolaos Pandis <npandis@yahoo.com> asks about plotting pairwise 
comparisons of margins:

> I am running the following command:
>
> reg force i.wiretype //wiretype has 3 levels
>
> then I would like to get the contrasts (2 vs. 1, 3 vs.1 and 3 vs.2) and plot via marginsplot.
>
> margins r.wiretype,contrast
>
> marginsplot,yline(0)
>
> I can get the 2 contrasts with the baseline but I cannot get the last 3 vs. 2 contrast within the same command so I can include all 3 contrasts in the marginsplot.

Instead of contrasts of the margins,

    . margins r.wiretype, contrast

Nick can use the -pwcompare- option to get the pairwise comparisons
of the margins,

    . margins wiretype, pwcompare
-- 

--Jeff Pitblado
  jpitblado@stata.com
*
*  For searches and help try:
*  http://www.stata.com/help.cgi?search
*  http://www.stata.com/support/faqs/resources/statalist-faq/
*  http://www.ats.ucla.edu/stat/stata/

*
*   For searches and help try:
*   http://www.stata.com/help.cgi?search
*   http://www.stata.com/support/faqs/resources/statalist-faq/
*   http://www.ats.ucla.edu/stat/stata/