for example, how can I calculate c-index or c-statistic (for investigation of my prediction model performance) at 5-year and 10-year follow-up in cohort sample?
Check out the attached screenshot of a book look at model validation information. Best wishes David Booth
Masoumeh Jabbari Take a look https://www.youtube.com/watch?v=fFVBIpHY-RY
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