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Re: st: List Observations with Missing Values


From   Phil Clayton <philclayton@internode.on.net>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: List Observations with Missing Values
Date   Mon, 13 Aug 2012 15:18:12 +1000

Another option is to use the missing() function:
list c_c e_o e_c if missing(c_c, e_o, e_c), separator(0) N notrim absolute

Phil

On 13/08/2012, at 2:02 PM, Tonatiuh Barrientos Gutierrez wrote:

> Lisa, your operator is correclty specified but you need to let stata
> know over which variable the operator is suposed to work:
> list c_c if c_c>=.
> in your specific case:
> list c_c e_o e_c if c_c>=.| e_o>=.| e_c>=.
> Hope that helps,
> Tona
> 
> 
> 
> On Sun, Aug 12, 2012 at 11:47 PM, Lisa Wang <lhwang0925@gmail.com> wrote:
>> Hi all,
>> 
>> I would like to learn why this is not valid as I get this back from
>> Stata ">=:  operator invalid r(198)" If I read the help file for that
>> return code it tells me that the syntax might be incorrectly
>> specified??
>> 
>> - list c_c e_o e_c if >=. , separator(0) N notrim absolute -
>> 
>> I thought that missing values are represented as a dot in Stata. I
>> just want Stata to list out all the observations where there are
>> missing values for those three variables, so I can check, before I
>> drop these rows with missing observations.
>> 
>> Thank you everyone,
>> Lisa
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