Unless you are hitting memory issues in Stata there's no real
advantage to dropping out variables (although I guess you may be
preparing data to pass on to someone else).
So onto the problem, and hopefully a solution (although it may not be
very elegant).
You've a set of variables all beginning with 'hv' and ending with
_02..._46 that you wish to drop.
One possible option might be to -reshape- your data and then -drop-
variables and then observations -if()- a condition is met, but that's
likely to take some time given the number of variables your
indicating.
One solution might be to use two loops...
forval x = 2/9{
drop hv*_0`x'
}
forval x = 10/46{
drop hv*_`x'
}
(NB - My previous suggestion had invalid syntax because I had used
'in' which is used with -foreach- which is what I get for typing too
quickly and not re-reading my post before sending it).
The above isn't elegant, but should drop out the variables that you
want to get rid of.
Neil
--
"Every great advance in natural knowledge has involved the absolute
rejection of authority." - Thomas H. Huxley
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