hi.
i have 7 variables
i need to create a SUM variable which counts the number of non missings
HAVE
id var1 var2 var3 var4 var5 var6 var7
101 1 1 . . . . .
102 1 1 1 1
WANT
id var1 var2 var3 var4 var5 var6 var7 sum
101 1 1 . . . . . 2
101 1 1 1 1 . . . 4
Thanks
If it's a count then it isn't a sum. No array needed
the function is N
sum= n(of Var1-var7);
If the names aren't that nice in reality then us n (varname othervar thisvar thatvar);
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