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Re: st: running marginsplots without rerunning margins again
From
Richard Williams <[email protected]>
To
[email protected], [email protected]
Subject
Re: st: running marginsplots without rerunning margins again
Date
Thu, 11 Aug 2011 11:42:15 -0500
At 08:14 AM 8/11/2011, Nick Cox wrote:
The underscore _ doesn't do anything special. It's just a legal
character that is part of the command name.
There is a StataCorp convention that commands intended mostly or
entirely for below-the-surface use often start with "_", but I think
that is as much as could be said. See -help undocumented- for some. By
the way, "undocumented" in Stata has a Pickwickian meaning of
"undocumented _in the manuals_". What you need to worry about, except
that you don't, is the commands that are not documented.
There seem to be two kinds of undocumented commands in Stata: those
that are undocumented in the manuals but are documented online, and
those that are apparently undocumented anywhere. The latter often
include command options like the -saving- option for -margins-. The
latter are the most troublesome, because you are not sure what they
do nor are you sure how safe it is to use those options yourself.
When updating -oglm- to work with factor variables I needed some help
from StataCorp because the updating required features not documented
anywhere. I'm still not sure what those features do other than make
my program work.
-------------------------------------------
Richard Williams, Notre Dame Dept of Sociology
OFFICE: (574)631-6668, (574)631-6463
HOME: (574)289-5227
EMAIL: [email protected]
WWW: http://www.nd.edu/~rwilliam
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