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Dear experts, I am asking for help with a question regarding to stratified bootstrap. My dataset is a longitudinal dataset (3 measurements per person at year 1, 4 and 7) composed of multiple clinic centers and multiple participants within each...
Dear Tim, Thank you so much for addressing all my questions. This really makes sense. I talked with my advisor yesterday about how to do bootstrapping for my scenario: random clinic + random subject within clinic. She suggested that only clinic...
Dear Tim, Thank you very much for taking time giving me advices on my questions. I talked with my professor about this bootstrapping question whether to resample clinic or resample clinic + resample patients within clinic. I was told that the...
Dear Tim, Thank you very much for your information. I will try to play with S+ as you suggested. At the same time, I would like to share our idea with you about the stratified bootstrapping for my scenario. I...
Dear Tim, Thank you so much for your help. My random mixed model is as follows: b.lme <- lme(sbp ~ age + gender, data=bdat, random=~1/clinic/id, na.action=na.omit) When doing bootstrap with stratum clinic, a patient...
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