--- I wrote:
> forvalues 1 = 1/3 {
> replace p`i' = 0 if p`i' == . & q`i' != .
> replace q`i' = 0 if q`i' == . & p`i' != .
> }
Oops, the line -forvalues 1 = 1/3 {- should be replaced by -forvalues i = 1/3 {-
Sorry,
Maarten
-----------------------------------------
Maarten L. Buis
Department of Social Research Methodology
Vrije Universiteit Amsterdam
Boelelaan 1081
1081 HV Amsterdam
The Netherlands
visiting adress:
Buitenveldertselaan 3 (Metropolitan), room Z214
+31 20 5986715
http://home.fsw.vu.nl/m.buis/
-----------------------------------------
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