Dear JMP experts, I appreciate any clarification in regard to "Inverse Prediction"! In my databse I have variable represent a biological marker, and I have two level groups (patients A and healthy B). I would like to find a cutoff value for the marker to say that this value predicts disease at specific probability (data attached). I did logistic fit, then ROC curve, after then " Inverse Prediction" which gave me the "prediction probability" for every value of the marker (figure attached). My questions are: 1. Are the steps that I followed, correct, to find a cut off value for the marker to predict disease A. 2. What the term "Inverse Prediction" means? more specifically, what the word "inverse" stands for? Thanks for any clarification John
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