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Re: st: Factor variables and outreg/outreg2


From   Nick Cox <njcoxstata@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Factor variables and outreg/outreg2
Date   Sat, 3 Mar 2012 09:48:03 +0000

For clarity:

1. -outreg- (John Gallup, SSC) and -outreg2- (Roy Wada, SSC) are now
quite different programs by quite different authors.

2. Both are user-written and so (once again) people referring to them
are requested to make that clear.

Nick

On Fri, Mar 2, 2012 at 9:25 PM, Richard Williams
<richardwilliams.ndu@gmail.com> wrote:
> At 03:49 PM 3/2/2012, Schmidt, William wrote:
>>
>> I am attempting to use outreg2 but I would like to report a limited set of
>> covariates. I have factor variables in my regression, and they seem to be
>> ignored by the options in outreg. In the example below, for instance,
>>  i.foreign##c.weight is not reported.
>>
>> sysuse auto, clear
>> regress mpg i.foreign##c.weight i.rep78 headroom
>> outreg2 using myfile, keep(i.foreign##c.weight headroom) sortvar(headroom
>> i.foreign##c.weight)
>
>
> This isn't quite right but it may be closer to what you want.
>
> outreg2 using myfile, keep(1.foreign#c.weight headroom) sortvar(headroom
> i.foreign#c.weight)
>
> Personally, I tend to avoid the ## notation and instead write stuff like
>
> regress mpg i.foreign weight i.foreign#c.weight i.rep78 headroom
>
> It may take more typing but it helps me to keep straight what I am doing.
> Plus, in various post-estimation commands, you often have to write things
> like 1.foreign rather than i.foreign. Look at how the regress command
> labeled each line of the output.

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