Recent content by aboutstats

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    ROC curve

    Hello, I would like to ask a question about the ROC curve that plots sensitivity against 1-specificity for all possible threshold settings of a diagnostic test. Each point on the ROC curve represents a different cutoff value. For a perfect diagnostic test the ROC curve would be vertical from...
  2. A

    using hazard ratios for generating data

    A question: If I have several Hazard ratios (with their 95% confidence intervals) for several risk factors for the development of a disease, and I want to simulate several subjects characterized by these risk factors (has the factor = 1, or does not have the factor = 0) based on the fact that...