θ 2. Sample Size Calculation for Comparing Time-to-Event Data. Time-to-event analysis of longitudinal follow-up of a survey.
The exponential model Coxs proportional hazard model and the log-rank test.
In our example our sample size is. Sample Size Calculation for Comparing Time-to-Event Data. Calculate Sample Size Needed to Test Time-To-Event Data. This is the size one your variations needs to be.