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Re: st: Re: Newbie question on creating variable


From   "Kakatua Kutta" <ambush@earthling.net>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Re: Newbie question on creating variable
Date   Tue, 02 Mar 2004 16:38:04 -0500

Thanks a lot to all who contributed to this thread. This is my first post here and I am so happy to get great feedbacks from you. I appreciate it much.

Rushad
----- Original Message -----
From: "Scott Merryman" <smerryman@kc.rr.com>
Date: Mon, 1 Mar 2004 19:27:41 -0600
To: <statalist@hsphsun2.harvard.edu>
Subject: st: Re: Newbie question on creating variable

> As a variation of Eliot Mason's reply, Stata has several time series operators
> explained in the Users Guide at [U] 14.4.3.
> 
> One could do the following:
> 
> * Assuming that countrycode is a string
> 
> . encode country, gen(id)
> 
> . tsset id year
>        panel variable:  id, 1 to 2
>         time variable:  year, 1960 to 1970, but with gaps
> 
> . gen diffgdp = s5.gdp
> (2 missing values generated)
> 
> . l , abbr(16)
> 
>      +------------------------------------------+
>      | countrycode   year   gdp    id   diffgdp |
>      |------------------------------------------|
>   1. |         BAN   1960    65   BAN         . |
>   2. |         BAN   1965    75   BAN        10 |
>   3. |         BAN   1970    85   BAN        10 |
>   4. |         CAN   1960    25   CAN         . |
>   5. |         CAN   1965    35   CAN        10 |
>      |------------------------------------------|
>   6. |         CAN   1970    45   CAN        10 |
>      +------------------------------------------+
> 
> 
> Hope this helps,
> Scott
> 
> 
> ----- Original Message ----- 
> From: "Kakatua Kutta" <ambush@earthling.net>
> To: <statalist@hsphsun2.harvard.edu>
> Sent: Monday, March 01, 2004 1:14 PM
> Subject: st: Newbie question on creating variable
> 
> 
> > countrycode year gdp
> > BAN                   1960             65
> > BAN                   1965             75
> > BAN                   1970             85
> > CAN                   1960             25
> > CAN                   1965             35
> > CAN                   1970             45
> >
> > Dear Stata users,
> > Lets say I have the above data set. I want to create a variable which measures
> the difference between the gdp in year 1970 and gdp in 1965 for each country.
> That is if "diff" is the new variable it would be diff = gdp(1970)-gdp (1965)
> for each country.
> > I am a new user and already spent hours on this. I would much appreciate your
> help.
> > Thanks in advance
> > AmBush
> > -- 
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