Mingfeng,
I think the simplest way is to use excel transfer the string x1,x2,x3...
into numbers 0,0,1...and add them to get y.
Greetings!
I have tried to solve this myself with the reference, but no luck so
far. My problem is to run a function on a string variable. This is
the data that I have
Variable X:
x1,x2,x3
x1,x3
x2
x1,x3,x4,x5
x5,x6
I was tring to generate a dummy variable y=1 when x3 is contained in X
and 0 otherwise. Is there a command to do this?
Thanks!
Mingfeng
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