st: Re: Date: Sat, 27 Jun 2009 12:35:33 -0700

["Martin Weiss" <martin.weiss1@gmx.de>]

<>

Thanks for the flowers, of course! If missings are part of your everyday 
problems, you want to take a hard look at a new feature of Stata 11: 
http://www.stata.com/stata11/mi.html

HTH
Martin
_______________________
----- Original Message ----- 
From: "Ariel Linden, DrPH" <ariel.linden@gmail.com>
To: <statalist@hsphsun2.harvard.edu>
Sent: Saturday, June 27, 2009 9:36 PM
Subject: st: Date: Sat, 27 Jun 2009 12:35:33 -0700


> Hi Martin,
>
> As always, you provide amazing insight. I didn't even know about the xtdes
> command, but it is very useful.
>
> I see your point about dropping the union variable, as it is a
> time-dependent variable, which I hadn't thought of in this instance. You 
> are
> right that it is better to leave the missing values in the data set when
> running this code.
>
> Thanks again, as always!
>
> Ariel
>
> Date: Sat, 27 Jun 2009 01:48:45 +0200
> From: "Martin Weiss" <martin.weiss1@gmx.de>
> Subject: st: Re: Code erroring out because of  "no observations" - 
> revisited
>
> The last wave of nlswork.dta is number 15. However, if you do decide to 
> drop
>
> missings, that shrinks to twelve. Note that your -drop- instruction chucks
> out any _individual_ missing value on union, while you may want to bear 
> with
>
> a couple of missings on any panel unit. Type
>
> ***
> webuse nlswork, clear
> xtdes
> ***
>
> to see the participation pattern.
>
> If you want to see why you drop to 12 (not 11, not 13, either) type
>
> ***
> webuse nlswork, clear
> by idcode, sort : egen float nonmiss = count(union)
> su nonmiss
> ***
>
> BTW, even with these problems, your code runs fine for me...
>
> HTH
> Martin
>
> *
> *   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/

*
*   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/