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Re: st: RE: generate new variables using the first record of the group
From
Nick Cox <[email protected]>
To
"[email protected]" <[email protected]>
Subject
Re: st: RE: generate new variables using the first record of the group
Date
Tue, 29 Oct 2013 23:24:39 +0000
Sergiy's answer is perfect, naturally, but quite why you would want to
do this remains open. For some graphical purposes, a constant variable
can be useful, but otherwise a constant is often better stored in a
scalar or local.
Nick
[email protected]
On 29 October 2013 22:49, Sergiy Radyakin <[email protected]> wrote:
> Lin, use the square brackets to address the particular observation of
> a variable:
>
> sysuse auto
> generate newvar=price[7]
>
> Creates a variable newvar, which is equal to the 7th observation of
> existing variable price.
>
> Best, Sergiy Radyakin
>
>
> On Tue, Oct 29, 2013 at 6:02 PM, Song, Lin <[email protected]> wrote:
>> Dear Stata users?
>>
>> How do I generate a new variable with its value for all observations equals to the first observation or the nth observation of another variable?
>>
>> Thanks.
>>
>> Lin
>>
>>
>>
>>
>> *
>> * For searches and help try:
>> * http://www.stata.com/help.cgi?search
>> * http://www.stata.com/support/faqs/resources/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/faqs/resources/statalist-faq/
> * http://www.ats.ucla.edu/stat/stata/
*
* For searches and help try:
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