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Re: st: RRR with CI from logit model
A follow up on statistical power.
I have calculated a few RRRs and an interesting pattern is emerging.
Extreme comparisons give insignificant p-values but others don't.
RRR for 9.5 vs 1, p=.669
RRR for 9.5 vs 9, p=.030
RRR for 2 vs 1, p=.049
Predicted absolute probabilities are: 9.5=.33 , 9=.14, 2=.000020 &
What is going on here? Am I doing something wrong? I appreciate any
suggestion because this makes no sense to me.
nlcom exp(81 * squared + 9 * linear + constant) / ///
(1 + exp(81 * squared + 9 * linear + constant)) / ///
exp(4 * squared + 2 * linear + constant) / ///
(1 + exp(4 * squared + 2 * linear + constant))
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