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Re: st: running marginsplots without rerunning margins again


From   Scott Merryman <scott.merryman@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: running marginsplots without rerunning margins again
Date   Thu, 11 Aug 2011 09:14:29 -0500

On Thu, Aug 11, 2011 at 9:16 AM, Richard Williams
<richardwilliams.ndu@gmail.com> wrote:
> At 08:02 AM 8/11/2011, Doug Hess wrote:
>>
>> Thanks to Richard and Scott. Scott's suggestion worked
>> perfectly...once I figured out that "foo" wasn't a command
>> abbreviation.
>>
>> I'm not familiar with starting a command with the underscore (as in -
>> _retrun hold foo  - ), what is that underscore doing?
>>
>> Likewise, I'm not familar with the colon after a command line (as in -
>> estimates esample: - ), what does that colon do there?
>>
>> Thanks again.
>>
>> -Doug
>
> That is actually the command's name, _return. Type
>
> help _return
>
> I'm not sure why and when Stata chooses to start a command with _, but I
> think they tend to be programmer commands that would not normally be used
> interactively. As for the colon, type
>
> help estimates_save
>
> It has to do with setting e(sample) correctly.
>

To ensure that the e(sample) is set correctly, if the regression command was

-regress bpsystol agegrp##sex if region ==4-

then the estimates esample should be:

-estimates esample:  bpsystol agegrp  sex if region ==4-

Scott

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