Geometric mean and CV [Power / Sample Size]

posted by Rocco_M – Mexico, 2019-09-09 13:31 (383 d 03:10 ago) – Posting: # 20557
Views: 3,494

(edited by Rocco_M on 2019-09-09 13:51)

My apology. Not exactly sure I understand what other poster be saying here 100%. If you be plan a parallel based on FIM: if you have one pooled variance from FIM, is it enough to enter into a sample size calculation? Or does one also need have assumption for pooled variance of other arm, and then take calculated variance of difference based on the FIM variance and assumed other arm pooled variance? This is what I do not understand.

Edit: Please don’t shout[Helmut]

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