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Re: st: observations missing


From   Seema Bhatia <ler02sb@reading.ac.uk>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: observations missing
Date   Thu, 6 Sep 2007 14:53:20 +0100

Dear Sergiy

Thanks for your comments. Yes the missing observations with their line 
numbers will be very useful. I spend about 30 minutes and 6 regressions 
yesterday before I realised that these 40 missing values were buried inside 
a huge dataset that I have (13650 lines)

I managed to plug in the required values but not before exporting the data 
into excel and turning the filters on which showed me the appropriate 
blanks!

Thanks for the response

Regards

Seema

----- Original Message ----- 
From: "Sergiy Radyakin" <serjradyakin@gmail.com>
To: <statalist@hsphsun2.harvard.edu>
Sent: Thursday, September 06, 2007 2:39 PM
Subject: Re: st: observations missing


> Hello Seema,
>
> unless you are willing to share with us, which command you are using,
> it will be hard to tell. But the issue might probably be resolved
> simply by typing
>
> set trace on
>
> before you start your estimation. At least you will know which
> variable contains the missings.
>
> Wouldn't it be wonderful if user friendly Stata could friendly notify
> the user in which variable the missings were generated??? I am looking
> forward for Stata 15 to actually report errors with line numbers,
> something that FORTRAN 77 users enjoyed 30 years ago.
>
> Best regards, Sergiy
>
>
> On 9/5/07, Seema Bhatia <ler02sb@reading.ac.uk> wrote:
>> Dear Statalist
>>
>> I am estimating a Heckman type model in order to calculate the Inverse 
>> Mills
>> Ratio. The model is fine when i do the probit but then curiously, when I
>> want to generate the Inverse Mills, at every step I get the message 40
>> missing values generated, although it generates all the IMR values and in
>> the data editor I find no missing values. Any idea what might be going on
>> here and how I could rememdy this?
>>
>> Many thanks
>>
>> Seema Bhatia-Panthaki
>>
>>
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