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st: calculating percentage changes in an unbalanced panel data set
From
Tzaloupas Dimitrov <[email protected]>
To
"[email protected]" <[email protected]>
Subject
st: calculating percentage changes in an unbalanced panel data set
Date
Tue, 5 Mar 2013 23:27:17 +0000 (GMT)
Dear all,
I have some time series observations (inflation) for a set of countries
The panel data set is unbalanced, that is,
egen id = group(country), label
tsset id time
panel variable: id (unbalanced)
time variable: time, 01oct2008 to 01nov2011, but with gaps
delta: 1 day
within each country I want to find the percentage change of inflation.
I tried
bysort country time : gen p2=(inf[2]-inf[1]/inf[1])*100
but I get this message
(500 missing values generated)
Am I doing something wrong?
I use Stata 11
Any help/code is greatly appreciated
Thanks in advance
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