1. D

    Estimating the probability of the residual lifetime based on Kaplan-Meier curve

    So I had this question on my exam about survival analysis and I didn't know the answer but I would like to know how I should answer it: "Give, based on this KM-curve, an estimate for the probability that the residual lifetime is larger than 300 days, when the patient is already standing on the...
  2. J

    Delta method to assess the confidence and prediction intervals

    I want to calculate the table of confidence and prediction intervals for a custom Cumulative Distribution Function or CDF, and I am following the forums and articles aid. My major cuestions that I repeat bellow are these: 1.- I had to obtain the ACOV matrix and I use the inverse of the...