[R] ... predict.coxph
    Terry Therneau 
    therneau at mayo.edu
       
    Mon Nov 15 15:43:04 CET 2010
    
    
  
>If you are looking at radioactive decay maybe but how often do
>you actually see exponential KM curves in real life?
  Exponential curves are rare.  But proportional hazards does not imply
exponential.
> A  trial design
could in fact try to get all the control sample to "event"  at the same
time if enough was known about prognostic factors and natural trajectory
 You are a dreamer.  We know very little about even the diseases we know
best.  The life insurers are in no danger yet from accurate predictions
by the medical community.
Terry T
    
    
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