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  1. Sherry B

    Crystal division by zero using if in

    Hello - I have a study that has 3 responses, Y, N or NA. I need to divide Y/(Y+N) to create a score. Y=1, N=0 and NA isn't used. I get the error "division by zero" and I'm not sure how to fix it using if in. (If 'Y' in {HFF_HIM_MED_SURGS_Z_VIEW.Z1_Hp_Present_And_Complete_With_All_Elements}...

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