st: Re: Assert question.

["Michael Blasnik" <michael.blasnik@verizon.net>]

You are only asking Stata to list observations where hid equals the prior 
hid, so you would only see one observation (the second) from each duplicate 
pair.

Michael Blasnik
michael.blasnik@verizon.net

----- Original Message ----- 
From: <adiallo5@worldbank.org>
To: <statalist@hsphsun2.harvard.edu>
Sent: Friday, March 18, 2005 4:17 PM
Subject: st: Assert question.



> Hi,
> I have a question.
> I have identifiers ranking from 1 to 9882 on 4940 observations.
> I have issued a command:
>
> assert hid[_n-1]~=hid[_n]
>
> and got a error message:
> (6 contradictions in 4940 observations).
>
> when I list:
> list if hid[_n-1]==hid[_n]
>
> I have:
>
>                   hid
> .3902       3902
> .4185       4186
> .4231       4231
> .4838       4837
> .4884       4882
> .4931       4929
>
> I do not have a perfect merge so I guess the problem comes from
> there.
>
> But I wonder why stata get confused. The values of hid are not identical.
>
> Or am I too tired...
>
> Thanks in advanced.
>
> Amadou Bassirou DIALLO
> Ph.D Candidate
> Poverty Specialist, PREM, The World Bank.
*
*   For searches and help try:
*   http://www.stata.com/support/faqs/res/findit.html
*   http://www.stata.com/support/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/