Recent content by charlie00

  1. C

    Unable to find a threshold that achieve certain sensitivity

    I am not sure if I interpret your interpretation correctly. Let me rephrase. I am asked to use my regression model to predict at least 80% of true positive rate (sensitivity). However, I am unable to find a decent one because using my model, I have to lower my threshold as low as 0.068 in order...
  2. C

    Unable to find a threshold that achieve certain sensitivity

    I am asked to find a threshold that can achieve 80% sensitivity. However, I am unable to find a reasonable one from my logistic regression model. Can anyone show me where the problem is please? coords(roc1,x= 0.8,input="sensitivity") threshold specificity sensitivity NA 0.5648283...