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by anthony_doan
2187 days ago
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statistical software never does this. Almost all statistical models give you probabilities and it is up to the domain to determine the cutoff. You can clearly see this in logistic regression it's giving you a probability not a 1 or 0. When a clinician gives me a dataset I build the model and leave it to them to do the cut off. It is not my domain or expertise to tell them where the cut off is. Plus it gives away the responsibility. I'm not responsible for it unless they don't know and are asking me for a reasonable cut off. An example is people opting for artificial in semenation because of problem. I believe the cut off is above 60% because of the trade off. You can read more about it in Regression Modeling Strategies by Dr. Frank Harrell. |
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