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Re: st: RE: Overid on ivprobit
From
Abekah Nkrumah <[email protected]>
To
[email protected]
Subject
Re: st: RE: Overid on ivprobit
Date
Fri, 4 May 2012 09:53:20 +0100
Thank you very much Mark for the information.
Regards
On Fri, May 4, 2012 at 1:21 AM, Schaffer, Mark E <[email protected]> wrote:
> -overid- doesn't (yet) support the i. operator, I'm afraid.
>
> --Mark
>
>> -----Original Message-----
>> From: [email protected]
>> [mailto:[email protected]] On Behalf Of
>> Abekah Nkrumah
>> Sent: 03 May 2012 23:59
>> To: [email protected]
>> Subject: st: Overid on ivprobit
>>
>> Dear All,
>>
>> I am trying to use overid after ivprobit but stata returns an
>> error message. I have checked several times and seem not to
>> know what is happening. Can some one help. The results is below
>>
>> ivprobit place_deliv woman_age_yrs woman_age_yrssq
>> i.birth_order2 age_at_1st_birth i.moda_edu12 (empowerment12=
>> age_polig clusta_death_dif
>> > f) if year==2003, twostep
>> Checking reduced-form model...
>>
>> Two-step probit with endogenous regressors Number of
>> obs = 2437
>> Wald
>> chi2(8) = 329.42
>> Prob > chi2
>> = 0.0000
>>
>> --------------------------------------------------------------
>> ----------------
>> | Coef. Std. Err. z P>|z|
>> [95% Conf. Interval]
>> -------------+------------------------------------------------
>> ----------
>> -------------+------
>> empowerme~12 | 5.378231 1.129086 4.76 0.000
>> 3.165263 7.591199
>> woman_age_~s | .1238111 .0532797 2.32 0.020
>> .0193848 .2282374
>> woman_age_~q | -.001565 .0007225 -2.17 0.030
>> -.002981 -.000149
>> |
>> birth_order2 |
>> 2 | -.5072639 .1132554 -4.48 0.000
>> -.7292403 -.2852875
>> 3 | -.764831 .1393952 -5.49 0.000
>> -1.038041 -.4916214
>> 4 | -1.025213 .1708814 -6.00 0.000
>> -1.360135 -.690292
>> |
>> age_at_1st~h | -.0200801 .0114204 -1.76 0.079
>> -.0424637 .0023036
>> 1.moda_edu12 | .288899 .1405919 2.05 0.040
>> .013344 .564454
>> _cons | -4.307615 .606373 -7.10 0.000
>> -5.496084 -3.119146
>> --------------------------------------------------------------
>> ----------------
>> Instrumented: empowerment12
>> Instruments: woman_age_yrs woman_age_yrssq 2.birth_order2
>> 3.birth_order2
>> 4.birth_order2 age_at_1st_birth 1.moda_edu12 age_polig
>> clusta_death_diff
>> --------------------------------------------------------------
>> ----------------
>> Wald test of exogeneity: chi2(1) = 15.90
>> Prob > chi2 = 0.0001
>>
>> . overid
>>
>> 1b: operator invalid
>> r(198);
>>
>>
>>
>> Gordon
>> *
>> * For searches and help try:
>> * http://www.stata.com/help.cgi?search
>> * http://www.stata.com/support/statalist/faq
>> * http://www.ats.ucla.edu/stat/stata/
>>
>
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