Hi! I have a SAS file of 200 zones. In each zone, there are 150 houses. I then have a binary event variable. I do not have info on all the houses but need to fill in the missing values and put event= '.' Like for zone 0, I am missing house 4,5,6,7, the values between 8-30, etc. Is there a way I can add these missing values for each of the zones in SAS? I hope this question makes sense! the picture is how it looks now:
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