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< Error op. sys. refuses to provide memory ==Attempt 2==foreach x of varlish matchfilter{ if x==1{ foreach matchfilter[_n]==0{ if year[_n]==year[_x] & industrygroup3[_n]==industrygroup3[_x]{ if nopatents[_n]/nopatents[_x]<1.1 | nopatents[_n]/nopatents[_x]>1/1.1{ gen delta=abs(logitpw[_n]-logitpw[_x] m=gvkey[_min(delta)]} } } } Error invalid syntax Possible reasons: 1. use of _n and x 2. if loop
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// GENERATE SOME RANDOM NUMBERS TO RANDOMLY BREAK ANY TIES <br>
// ON CLOSENESS OF MATCH OF MARKET VALUE <br>
set seed 1020 0.5 <br>
gen double shuffle1 = runiform() <br>
gen double shuffle2 = runiform() <br>
drop delta shuffle1 shuffle2 <br>
