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st: growth rate
From
"Lynn Lee" <[email protected]>
To
<[email protected]>
Subject
st: growth rate
Date
Wed, 10 Oct 2012 21:24:49 +0800
Nick,
My panel data has 4 years for each country,2007,2002,1997,1995. The gap is
not same. Therefore, I do not know how to assign value to -delta()- in
-xtset-. I figured out why Stata11 generated all missing values for growth
rate. But the year gap is unbalanced. I tried -xtset id year,delta(5)-,
Stata11 told me "time values with period less than delta() found.
Now, I replace "1995" with "1992" artificially, then I got the growth rate.
But is there any direct way (not need to replace the year artificially)
which can generates growth rate for unbalanced year gap panel data?
I appreciate for your help.
Best Regards,
Lynn Lee
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Nick Cox
Sent: Wednesday, October 10, 2012 8:49 PM
To: [email protected]
Subject: Re: st: growth rate
-help xtset- explains about setting by panel and year. Once you have done
that correctly
gen growth=D.loggdp
is sufficient.
On Wed, Oct 10, 2012 at 1:41 PM, Lynn Lee <[email protected]> wrote:
> I use -bysort id: gen growth=D.loggdp- to generate growth rate of GDP
> in panel data. I also wrote -xtset year- before this command, but
> Stata11 told me "time variable not set". I am assuming this command
> is only for time-series data. What about panel? What is the command
> used in panel to generate growth rate?
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