st: RE: RE: Making symmetry (correction)

["Nick Cox" <n.j.cox@durham.ac.uk>]

> ssc inst levels 
> levels Id2 
> replace Id2 = . 
> foreach l of local levels { 
> 	qui replace Id2 = `l' if Id1 == `l' 
> } 

ssc inst levels 
levels Id2, local(levels) 
replace Id2 = . 
foreach l of local levels { 
 	qui replace Id2 = `l' if Id1 == `l' 
} 
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