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Re: st: How to specify a data entry to be NA


From   Xianwen Chen <xianwen.chen@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: How to specify a data entry to be NA
Date   Wed, 25 Apr 2012 14:28:58 -0600

That helps a lot. Thank you very much Ronnie :-)

Xianwen

On Wed, Apr 25, 2012 at 2:21 PM, Ronnie Babigumira <rb.glists@gmail.com> wrote:
> That should be out of the feasible range for the variable
> ^^^
>
>
> --
> 010100100110111101101110011011100110100101100101
>
>
>
>
> On Wednesday, April 25, 2012 at 10:20 PM, Ronnie Babigumira wrote:
>
>> Hi Xianwen
>> If the variable is numeric you cannot enter NA.
>>
>> You could do either of two things, assign a value (or of the feasible range for the variable, i.e, if all values are positive, then you could assign -7 as NA) or use one of Stata's 27 numeric missing values.
>>
>> See -help missing- for more on Stata's missing values
>>
>> hope this helps,
>>
>> Ronnie
>>
>> --
>> 010100100110111101101110011011100110100101100101
>>
>>
>>
>>
>> On Wednesday, April 25, 2012 at 10:10 PM, Xianwen Chen wrote:
>>
>> > Hi,
>> >
>> > I want to specify some entries in a data set to be NA (not available).
>> > Stata does not seem to allow a specification as
>> >
>> > replace foo = NA if _n == bar
>> >
>> > . Can someone tell me the correct to specify a data entry to be NA?
>> >
>> > Thanks.
>> >
>> > Xianwen
>> > *
>> > * 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/

*
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