--------------------------------------------------------------------------------
Your question is quite unclear: if you intend to look at two specific
regions, say
preserve
keep if region==1 | region==4
...
analysis
...
restore
if you want region 1 and 4.
Martin Weiss
_________________________________________________________________
Diplom-Kaufmann Martin Weiss
Mohlstrasse 36
Room 415
72074 Tuebingen
Germany
Fon: 0049-7071-2978184
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