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st: simplifying foreach loop
From
"Biljana Dlab" <[email protected]>
To
<[email protected]>
Subject
st: simplifying foreach loop
Date
Mon, 11 Oct 2010 21:36:54 +0200
Dear Statalist,
I have firms sorted by SIC from 2000-3999 and would like to compute the
3-digit industry median.
How do I simplify this loop, so that the increment in sic_n are
increasing by 10 without writing out every line?
. foreach v of var r_d {
2. gen d`v'=.
3. by sic_n, sort: egen datmedian=median(r_d) if sic_n>=2010 &
sic_n<=2019
4. by sic_n, sort: egen datmedian=median(r_d) if sic_n>=2020 &
sic_n<=2029
5. by sic_n, sort: egen datmedian=median(r_d) if sic_n>=2030 &
sic_n<=2039
6. by sic_n, sort: egen datmedian=median(r_d) if sic_n>=2040 &
sic_n<=2049
7. by sic_n, sort: egen datmedian=median(r_d) if sic_n>=2050 &
sic_n<=2059
8. by sic_n, sort: egen datmedian=median(r_d) if sic_n>=2060 &
sic_n<=2069
9. by sic_n, sort: egen datmedian=median(r_d) if sic_n>=2070 &
sic_n<=2079
(...)
till
by sic_n, sort: egen datmedian=median(r_d) if sic_n>3990 &
sic_n<3999
}
Thanks a lot.
Best,
Biljana
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