This advice might be too late to be useful, but...
use of -reshape-'s advanced syntax is very handy for many things, but
if you've got one set of variables that has wave indexed by A, B, C
and one indexed by 1, 2, 3 then I think the rename approach is the
best one:
clear
set obs 20
forv i=1/3 {
local ltr=char(`i'+64)
g `ltr'SMOK=uniform()>0.5 if uniform()>.1
g `ltr'DRNK=uniform()>0.5
g wave`i'=uniform()>.2
}
generate byte ID = _n
order ID wave*
li in 1/5, noo
ds
foreach v in `r(varlist)' {
forv i=1/3 {
local ltr=char(`i'+64)
local stub=substr("`v'",2,.)
if substr("`v'",1,1)=="`ltr'" ren `v' `stub'`i'
}
}
reshape long wave SMOK DRNK, i(ID)
ren wave appears
la var appears "Indiv appears in wave"
ren _j wave
la var wave "Wave of observation"
On 4/26/06, Nick Cox <[email protected]> wrote:
> Various suggestions were made in this thread. In
> general, use of -reshape-'s advanced syntax seems
> most direct to me. But renaming solutions are
> of interest for many other problems and I will
> focus on those.
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