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Re: st: Graphing a function (setting coefficients at their means)
From
Nick Cox <[email protected]>
To
"[email protected]" <[email protected]>
Subject
Re: st: Graphing a function (setting coefficients at their means)
Date
Tue, 31 Dec 2013 01:31:28 +0000
<>
Sorry, I stop there. I never do anything like what you want to do.
Nick
[email protected]
On 30 December 2013 20:39, David Torres <[email protected]> wrote:
> Okay, Nick,
>
> So if I can't really graph my equation using -twoway function-, is there a way to do so using margins? I assumed that it's impossible since I was using a nonconventional estimator (-xtivreg-).
>
> For a bit more context, I have a time-varying binary endogenous predictor that I'm instrumenting for. This endogenous variable is interacted with dummies for race, but all appear in the parenthetical portion of -xtivreg-. I want to show the marginsplot for race, taking into account the interactions, but I'm afraid the -xtivreg- is not recognizing my endogenous variable as time-varying.
>
> Maybe I'm doing something wrong with the IV estimation. ??
>
> Diego
>
> --
>
> David Diego Torres, PhD
> NSF SBE Postdoctoral Research Fellow
> Houston Education Research Consortium
> Rice University
> 6100 Main Street, MS-28
> Houston, TX 77005
> Phone: 713-348-2984
> Email: ddtorres at rice dot edu
>
>
> ----------------------------------------
>> Date: Mon, 30 Dec 2013 14:05:26 +0000
>> Subject: Re: st: Graphing a function (setting coefficients at their means)
>> From: [email protected]
>> To: [email protected]
>>
>> If I understand you correctly, you need to do the manipulations before
>> and outside -twoway function-. -twoway function- contains no
>> intelligence to do with previously estimated models. You can,
>> naturally, refer to r-class results and e-class results in calls to
>> -twoway function-, but I am confident in speculating that -twoway
>> function- has no hidden options to make marginal calculations easier.
>>
>> Nick
>> [email protected]
>>
>>
>> On 30 December 2013 12:14, David Torres <[email protected]> wrote:
>>> Statalisters,
>>>
>>> I'm using the -twoway function- command to display the results of a regression equation. Is there a way to set at their means those coefficients that are not of interest in the command line?
>>>
>>> Just in case you're wondering why I'm not using -margins- to get predicted probs, I can't because I'm using the IV estimator, which presents problems for a variable of interest to be graphed.
>>>
>>> Cheers,
>>> Diego
>>> Sent from my iPhone
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