---- Guillermo Villa wrote:
> it would be interesting being able to drop all variables in the dataset for
> which all cases are 0 or missing values.
foreach var of varlist _all {
count if `var' == 0 | `var' >= .
if r(N) == _N drop `var'
}
Hope this helps,
Maarten
-----------------------------------------
Maarten L. Buis
Department of Social Research Methodology
Vrije Universiteit Amsterdam
Boelelaan 1081
1081 HV Amsterdam
The Netherlands
visiting address:
Buitenveldertselaan 3 (Metropolitan), room Z434
+31 20 5986715
http://home.fsw.vu.nl/m.buis/
-----------------------------------------
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